Add workflow to update version badge on release

This workflow updates the version badge in the README file whenever a new release is published.

Author: robsonamendonca

.github/workflows/update-badge.yml

@@ -0,0 +1,34 @@
+name: Update Version Badge
+
+on:
+  release:
+    types: [published]
+
+permissions:
+  contents: write
+
+jobs:
+  update-badge:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      - name: Get latest tag
+        id: tag
+        run: |
+          TAG=${GITHUB_REF#refs/tags/}
+          echo "tag=$TAG" >> $GITHUB_OUTPUT
+
+      - name: Update version badge in README
+        run: |
+          sed -i "s/version-v[0-9\\.]*-blue/version-${{ steps.tag.outputs.tag }}-blue/g" README.md
+
+      - name: Commit changes
+        run: |
+          git config user.name "github-actions"
+          git config user.email "github-actions@github.com"
+          git add README.md
+          git commit -m "chore: update version badge to ${{ steps.tag.outputs.tag }}"
+          git push