Read version number in gradle-release.yml

Set correct permissions for workflow.
And instead of hardcoding, read the version number from gradle.build

.github/workflows/gradle-release.yml

@@ -12,7 +12,7 @@ jobs:
 
     runs-on: ubuntu-latest
     permissions:
-      contents: read
+      contents: write
       packages: write
 
     steps:
@@ -30,14 +30,17 @@ jobs:
       with:
         arguments: test jar
 
+    - name: Set version number env
+      run: echo "GITHUB_BUILDVERSION=$(cat build.gradle | grep 'version =' | cut -d"'" -f 2)" >> $GITHUB_ENV
+
     - name: Create Release
       id: create_release
       uses: actions/create-release@v1
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
-        tag_name: ${{ github.ref }}
-        release_name: Release ${{ github.ref }}
+        tag_name: ${{ env.GITHUB_BUILDVERSION }}
+        release_name: Java IP Codec v${{ env.GITHUB_BUILDVERSION }}
         draft: false
         prerelease: false
 
@@ -48,6 +51,6 @@ jobs:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
          upload_url: ${{ steps.create_release.outputs.upload_url }}
-         asset_path: ./build/libs/JavaIpCodec-1.0.0.jar
-         asset_name: JavaIpCodec-1.0.0.jar
+         asset_path: ./build/libs/JavaIpCodec-${{ env.GITHUB_BUILDVERSION }}.jar
+         asset_name: JavaIpCodec-${{ env.GITHUB_BUILDVERSION }}.jar
          asset_content_type: application/java-archive