add automation to bump cache version

.github/workflows/bump-cache-version.yml

@@ -0,0 +1,51 @@
+name: Bump Cache Version
+
+on:
+  workflow_dispatch:
+    inputs:
+      cache_version:
+        description: "New @useblacksmith/cache version"
+        required: true
+        type: string
+
+jobs:
+  bump-cache-version:
+    runs-on: blacksmith
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Create new branch
+        id: create-branch
+        run: |
+          git config user.name github-actions[bot]
+          git config user.email github-actions[bot]@users.noreply.github.com
+          git fetch origin main
+          git checkout main
+          git pull origin main
+          timestamp=$(date +%Y%m%d%H%M%S)
+          branch_name="bump-cache-version-${{ github.event.inputs.cache_version }}-$timestamp"
+          git checkout -b $branch_name
+          echo "branch_name=$branch_name" >> $GITHUB_OUTPUT
+    
+      - name: Update package.json
+        run: |
+          sed -i 's/"@actions\/cache": "npm:@useblacksmith\/cache@[^"]*"/"@actions\/cache": "npm:@useblacksmith\/cache@${{ github.event.inputs.cache_version }}"/' package.json
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build
+        run: npm run build
+
+      - name: Check for changes
+        id: git-check
+        run: |
+          git diff --exit-code || echo "changes=true" >> $GITHUB_OUTPUT
+      - name: Create Pull Request
+        if: steps.git-check.outputs.changes == 'true'
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          git add .
+          git commit -m "Bump @actions/cache version to ${{ github.event.inputs.cache_version }}"
+          git push origin ${{ steps.create-branch.outputs.branch_name }}
+          gh pr create --title "Bump @actions/cache version to ${{ github.event.inputs.cache_version }}" --body "This PR updates the @actions/cache version to ${{ github.event.inputs.cache_version }}"

.github/workflows/bump-tag.yml

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+name: Bump Tags on Main
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  bump-tags:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Update v5 and v5.0.1 tags
+        run: |
+          git config user.name github-actions[bot]
+          git config user.email github-actions[bot]@users.noreply.github.com
+          git tag -fa v5 -m "Update v5 tag to latest commit on main"
+          git tag -fa v5.0.1 -m "Update v5.0.1 tag to latest commit on main"
+          git push origin v5 v5.0.1 --force
+
+      - name: Send Slack notification on success
+        uses: slackapi/slack-github-action@v1
+        with:
+          payload: |
+            {
+              "text": "Updated setup-java v5 and v5.0.1 tags to the latest commit on main"
+            }
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.CACHE_SLACK_WEBHOOK_URL }}