Update version displayed on build workflow

Author: sbxte

.github/workflows/gradle.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/[email protected]
       with:
         java-version: 21
@@ -34,9 +34,9 @@ jobs:
     - uses: "marvinpinto/action-automatic-releases@latest"
       with:
           repo_token: "${{ secrets.GITHUB_TOKEN }}"
-          automatic_release_tag: "latest-1.21"
+          automatic_release_tag: "latest-1.21.4"
           prerelease: false
-          title: "1.21 Build"
+          title: "1.21.4 Build"
           files: |
             ./build/libs/*.jar