Update GitHub Actions actions/checkout@v2 to v3

.github/workflows/bors.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@master
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Rust toolchain
         run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
       - name: Execute run-docker.sh
@@ -40,7 +40,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@master
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Rust toolchain
         run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
       - name: Execute run.sh
@@ -71,7 +71,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@master
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Self-update rustup
         run: rustup self update
         shell: bash
@@ -89,7 +89,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@master
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Rust toolchain
         run: sh ./ci/install-rust.sh
       - name: Check style
@@ -145,7 +145,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@master
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Rust toolchain
         run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
       - name: Execute run-docker.sh
@@ -169,7 +169,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@master
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Rust toolchain
         run: TOOLCHAIN=nightly INSTALL_RUST_SRC=1 sh ./ci/install-rust.sh
       - name: Execute run-docker.sh
@@ -184,7 +184,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@master
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Rust toolchain
         run: sh ./ci/install-rust.sh
       - name: Execute run-docker.sh
@@ -214,7 +214,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@master
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Rust toolchain
         run: TOOLCHAIN=${{ matrix.toolchain }} sh ./ci/install-rust.sh
       - name: Execute build.sh
@@ -244,7 +244,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@master
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Rust toolchain
         run: TOOLCHAIN=${{ matrix.toolchain }} sh ./ci/install-rust.sh
       - name: Execute build.sh
@@ -266,7 +266,7 @@ jobs:
           stable,
         ]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Self-update rustup
         run: rustup self update
         shell: bash
@@ -280,7 +280,7 @@ jobs:
     runs-on: ubuntu-20.04
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Rust toolchain
         # Should update the semverver revision in semver.sh if we touch nightly ver.
         run: TOOLCHAIN=nightly-2021-09-30 sh ./ci/install-rust.sh
@@ -293,7 +293,7 @@ jobs:
     runs-on: macos-11
     continue-on-error: true
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Rust toolchain
         # Pin nightly version to make semverver compilable.
         run: TOOLCHAIN=nightly-2021-09-30 sh ./ci/install-rust.sh
@@ -308,7 +308,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@master
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Rust toolchain
         run: sh ./ci/install-rust.sh
       - name: Generate documentation

.github/workflows/docs.yml

@@ -12,7 +12,7 @@ jobs:
     if: github.repository == 'rust-lang/libc'
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Setup Rust toolchain

.github/workflows/main.yml

@@ -19,7 +19,7 @@ jobs:
           x86_64-unknown-linux-gnu,
         ]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Rust toolchain
         run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
       - name: Execute run-docker.sh
@@ -35,7 +35,7 @@ jobs:
           x86_64-apple-darwin,
         ]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Rust toolchain
         run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
       - name: Execute run.sh
@@ -63,7 +63,7 @@ jobs:
           #    ARCH: i686
           - target: i686-pc-windows-msvc
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Self-update rustup
         run: rustup self update
         shell: bash
@@ -78,7 +78,7 @@ jobs:
     name: Style check
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Rust toolchain
         run: sh ./ci/install-rust.sh
       - name: Check style