Add workflow to auto-bump the version

.github/workflows/bump-version.yaml

@@ -0,0 +1,50 @@
+name: Bump version
+on:
+  pull_request:
+    types:
+      - closed
+    branches:
+      - main
+      - github_action # TODO: Remove before merge
+
+jobs:
+  build:
+    if: github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Check out the repository
+        uses: actions/checkout@v4
+
+      - name: Read version from file
+        run: |
+          # Read the version from the version file, only store the number (without the 'v')
+          INITIAL_VERSION=$(cat version | cut -d'v' -f2)
+          echo "Current version: $INITIAL_VERSION"
+          echo "INITIAL_VERSION=${INITIAL_VERSION}" >> $GITHUB_ENV
+
+      - name: Bump version and push tag
+        id: bump_version
+        uses: anothrNick/github-tag-action@v1
+        env:
+          DEFAULT_BUMP: patch
+          DRY_RUN: true
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          INITIAL_VERSION: ${{ env.INITIAL_VERSION }}
+          WITH_V: true
+
+      - name: Update version file with new version
+        run: |
+          echo "New version: ${{ steps.bump_version.outputs.new_tag }}"
+          echo "VERSION=${{ steps.bump_version.outputs.new_tag }}" > version
+          git config --local user.name "github-actions[bot]"
+          git config --local user.email "github-actions[bot]@users.noreply.github.com"
+          git add version
+          git commit -m "chore: update version file to ${{ steps.bump_version.outputs.new_tag }}"
+          git push
+
+      - name: Push new tag
+        run: |
+          git tag ${{ steps.bump_version.outputs.new_tag }}
+          git push origin ${{ steps.bump_version.outputs.new_tag }}