chore: use latest go patch version (#2495)

Author: tzneal

.github/workflows/ci.yaml

@@ -18,6 +18,7 @@ jobs:
     - uses: actions/setup-go@v2
       with:
         go-version: ${{ env.GO_VERSION }}
+        check-latest: true
     - uses: actions/cache@v2
       with:
         path: |

.github/workflows/deflake.yml

@@ -13,6 +13,7 @@ jobs:
       - uses: actions/setup-go@v2
         with:
           go-version: ${{ env.GO_VERSION }}
+          check-latest: true
       - uses: actions/cache@v2
         with:
           path: |

.github/workflows/snapshots.yaml

@@ -14,6 +14,7 @@ jobs:
       - uses: actions/setup-go@v2
         with:
           go-version: ${{ env.GO_VERSION }}
+          check-latest: true
       - uses: actions/cache@v2
         with:
           path: |