feat: add tummychow/git-absorb (#19890)

* feat: add tummychow/git-absorb

* fix(tummychow/git-absorb): remove a newline and run `cmdx gr`

* test(tummychow/git-absorb): fix a typo

* test(tummychow/git-absorb): add testdata

---------

Co-authored-by: Shunsuke Suzuki <suzuki.shunsuke.1989@gmail.com>
Co-authored-by: Shunsuke Suzuki <suzuki-shunsuke@users.noreply.github.com>

pkgs/tummychow/git-absorb/pkg.yaml

@@ -0,0 +1,8 @@
+packages:
+  - name: tummychow/git-absorb@0.6.11
+  - name: tummychow/git-absorb
+    version: 0.6.10
+  - name: tummychow/git-absorb
+    version: 0.6.7
+  - name: tummychow/git-absorb
+    version: 0.6.6

pkgs/tummychow/git-absorb/registry.yaml

@@ -0,0 +1,65 @@
+packages:
+  - type: github_release
+    repo_owner: tummychow
+    repo_name: git-absorb
+    description: git commit --fixup, but automatic
+    files:
+      - name: git-absorb
+        src: git-absorb-{{.Version}}-{{.Arch}}-{{.OS}}/git-absorb
+    version_constraint: "false"
+    version_overrides:
+      - version_constraint: semver("<= 0.6.6")
+        asset: git-absorb-{{.OS}}-{{.Arch}}
+        format: raw
+        replacements:
+          amd64: x86_64
+        supported_envs:
+          - linux/amd64
+      - version_constraint: Version == "0.6.7"
+        asset: git-absorb-{{.Version}}-{{.Arch}}-{{.OS}}.{{.Format}}
+        format: tar.gz
+        rosetta2: true
+        windows_arm_emulation: true
+        replacements:
+          amd64: x86_64
+          darwin: apple-darwin
+          linux: unknown-linux-musl
+          windows: pc-windows-msvc
+        overrides:
+          - goos: windows
+            format: zip
+        supported_envs:
+          - darwin
+          - windows
+          - amd64
+      - version_constraint: semver("<= 0.6.10")
+        asset: git-absorb-{{.Version}}-{{.Arch}}-{{.OS}}.{{.Format}}
+        format: tar.gz
+        rosetta2: true
+        windows_arm_emulation: true
+        replacements:
+          amd64: x86_64
+          darwin: apple-darwin
+          linux: unknown-linux-musl
+          windows: pc-windows-msvc
+        supported_envs:
+          - darwin
+          - windows
+          - amd64
+      - version_constraint: "true"
+        asset: git-absorb-{{.Version}}-{{.Arch}}-{{.OS}}.{{.Format}}
+        format: tar.gz
+        rosetta2: true
+        windows_arm_emulation: true
+        replacements:
+          amd64: x86_64
+          darwin: apple-darwin
+          linux: unknown-linux-musl
+          windows: pc-windows-msvc
+        overrides:
+          - goos: windows
+            format: zip
+        supported_envs:
+          - darwin
+          - windows
+          - amd64