Update Homebrew Tap when releasing

Closes gh-40424

Author: wilkinsona

.github/actions/update-homebrew-tap/action.yml

@@ -0,0 +1,31 @@
+name: Update Homebrew Tap
+description: Updates the Homebrew Tap for the Spring Boot CLI
+inputs:
+  spring-boot-version:
+    description: 'The version to publish'
+    required: true
+  token:
+    description: 'Token to use for GitHub authentication'
+    required: true
+runs:
+  using: composite
+  steps:
+    - name: Check Out Homebrew Tap Repo
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+      with:
+        path: updated-homebrew-tap-repo
+        repository: spring-io/homebrew-tap
+        token: ${{ inputs.token }}
+    - shell: bash
+    - run: |
+        pushd updated-homebrew-tap-repo > /dev/null
+        curl https://repo.maven.apache.org/maven2/org/springframework/boot/spring-boot-cli/${{ inputs.spring-boot-version }}/spring-boot-cli-${{ inputs.spring-boot-version }}-homebrew.rb --output spring-boot-cli-${{ inputs.spring-boot-version }}-homebrew.rb
+        rm spring-boot.rb
+        mv spring-boot-cli-*.rb spring-boot.rb
+        git config user.name "Spring Builds" > /dev/null
+        git config user.email "spring-builds@users.noreply.github.com" > /dev/null
+        git add spring-boot.rb > /dev/null
+        git commit -m "Upgrade to Spring Boot ${{ inputs.spring-boot-version }}" > /dev/null
+        git push
+        echo "DONE"
+        popd > /dev/null

.github/workflows/release.yml

@@ -105,13 +105,28 @@ jobs:
           sdkman-consumer-key: ${{ secrets.SDKMAN_CONSUMER_KEY }}
           sdkman-consumer-token: ${{ secrets.SDKMAN_CONSUMER_TOKEN }}
           spring-boot-version: ${{ needs.build-and-stage-release.outputs.version }}
+  update-homebrew-tap:
+    name: Update Homebrew Tap
+    needs:
+      - build-and-stage-release
+      - sync-to-maven-central
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check Out Code
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+      - name: Update Homebrew Tap
+        uses: ./.github/actions/update-homebrew-tap
+        with:
+          spring-boot-version: ${{ needs.build-and-stage-release.outputs.version }}
+          token: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
   create-github-release:
     name: Create GitHub Release
     needs:
       - build-and-stage-release
       - promote-release
       - publish-gradle-plugin
       - publish-to-sdkman
+      - update-homebrew-tap
     runs-on: ubuntu-latest
     steps:
       - name: Check Out Code