Update versioning in build.gradle and enhance release workflow

- Updated the version in build.gradle to dynamically retrieve from Git tags, defaulting to '0.1.1'.
- Modified the GitHub Actions release workflow to automatically update the version in build.gradle based on the tag during the release process.

Author: felipestanzani

.github/workflows/release.yml

@@ -18,6 +18,15 @@ jobs:
           ref: main
           fetch-depth: 0
 
+      - name: Extract version from tag
+        id: get_version
+        run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
+
+      - name: Update build.gradle version from tag
+        run: |
+          VERSION=${{ steps.get_version.outputs.VERSION }}
+          sed -i "s/^version = '[0-9]\+\.[0-9]\+\.[0-9]\+'$/version = '${VERSION}'/" build.gradle
+      
       - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
@@ -31,10 +40,6 @@ jobs:
       - name: Build with Gradle
         run: ./gradlew build
 
-      - name: Extract version from tag
-        id: get_version
-        run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
-      
       - name: Validate Maven Central credentials
         run: |
           if [ -z "${{ secrets.MAVEN_CENTRAL_TOKEN }}" ]; then
@@ -65,7 +70,7 @@ jobs:
         run: |
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
-          git add README.md
+          git add README.md build.gradle
           git diff --staged --quiet || git commit -m "docs: update version to ${{ steps.get_version.outputs.VERSION }} in README"
           git push origin main
         env:

build.gradle

@@ -5,7 +5,7 @@ plugins {
 }
 
 group = 'com.felipestanzani'
-version = '0.1.0'
+version = findProperty('version') ?: '0.1.1'
 description = 'Token-Oriented Object Notation (TOON) - A compact, human-readable format for LLM contexts'
 
 // Apply external Gradle scripts