commit release note to doc/release-note-vxxxx branch (#8472)

Co-authored-by: MartinForReal <[email protected]>

Author: k8s-infra-cherrypick-robot

.github/workflows/release.yaml

@@ -155,7 +155,6 @@ jobs:
       - build-acr-credential-provider
     permissions:
       contents: write
-      pull-requests: write
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@4d991eb9b905ef189e4c376166672c3f2f230481 # v2.11.0
@@ -166,7 +165,7 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           ref: documentation
-          fetch-depth: 0
+          fetch-depth: 2
       - name: Setup Golang
         uses: actions/setup-go@f111f3307d8850f501ac008e886eec1fd1932a34 # v5.3.0
         with:
@@ -190,3 +189,31 @@ jobs:
             ./artifacts/cloud-node-manager-*-*/*
             ./artifacts/cloud-controller-manager-*-*/*
             ./artifacts/acr-credential-provider-*-*/*
+      - name: Update site release note
+        uses: peter-evans/create-pull-request@4320041ed380b20e97d388d56a7fb4f9b8c20e79 # v7.0.0
+        with:
+          branch: doc/release-note-${{github.ref_name}}
+          delete-branch: true
+          base: documentation
+          commit-message: Update release notes for ${{github.ref_name}}
+
+      - uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          # Optional. Commit message for the created commit.
+          # Defaults to "Apply automatic changes"
+          commit_message: Update release notes for ${{github.ref_name}}
+
+          # Optional. Local and remote branch name where commit is going to be pushed
+          #  to. Defaults to the current branch.
+          #  You might need to set `create_branch: true` if the branch does not exist.
+          branch: doc/release-note-${{github.ref_name}}
+
+          # Optional glob pattern of files which should be added to the commit
+          # Defaults to all (.)
+          # See the `pathspec`-documentation for git
+          # - https://git-scm.com/docs/git-add#Documentation/git-add.txt-ltpathspecgt82308203
+          # - https://git-scm.com/docs/gitglossary#Documentation/gitglossary.txt-aiddefpathspecapathspec
+          file_pattern: './content/en/blog/releases/*.md'
+          
+          # Optional. Create given branch name in local and remote repository.
+          create_branch: true