chore: version update automation

.github/workflows/update_version.yml

@@ -0,0 +1,72 @@
+name: Update Version File After Release
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+
+permissions:
+  contents: read 
+
+jobs:
+  update-version:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8  # v5.0.0
+
+      - name: Get version
+        id: get_version
+        run: |
+          if [ "${{ github.event_name }}" = "release" ]; then
+            VERSION="${{ github.event.release.tag_name }}"
+          else
+            VERSION=$(gh release list --limit 1 --json tagName -q '.[0].tagName')
+          fi
+
+          # Remove 'v' prefix if present
+          VERSION="${VERSION#v}"
+
+          echo "VERSION=${VERSION}" >> $GITHUB_ENV
+          echo "version=${VERSION}" >> $GITHUB_OUTPUT
+        env:
+          GH_TOKEN: ${{ github.token }}
+
+      - name: Write version to version.txt
+        run: echo "${{ env.VERSION }}" > version.txt
+
+      - name: Check if changes exist
+        id: check_changes
+        run: |
+          git add version.txt
+          if git diff --staged --quiet; then
+            echo "has_changes=false" >> $GITHUB_OUTPUT
+          else
+            echo "has_changes=true" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Create PR for version.txt update
+        if: steps.check_changes.outputs.has_changes == 'true'
+        uses: peter-evans/create-pull-request@271a8d0340265f705b14b6d32b9829c1cb33d45e # v7.0.8
+        with:
+          commit-message: "chore: update version.txt to ${{ env.VERSION }}"
+          branch: update-version-txt-${{ github.run_id }}
+          title: "chore: update version to ${{ env.VERSION }}"
+          body: |
+            This PR updates version.txt to the latest release version.
+
+            **Version**: ${{ env.VERSION }}
+            **Release**: ${{ github.event_name == 'release' && github.event.release.html_url || format('https://github.com/{0}/releases/tag/{1}', github.repository, env.VERSION) }}
+            **Triggered by**: ${{ github.event_name }}
+          labels: automation,version-update
+          delete-branch: true
+
+  trigger-changelog:
+    needs: update-version
+    permissions:
+      contents: write       # create temporary branch to store changelog changes
+      pull-requests: write  # create PR with changelog changes
+    uses: ./.github/workflows/reusable_publish_changelog.yml