[android] Add GH action to publish snapshots.

.github/workflows/spine-android.yml

@@ -11,11 +11,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - name: Set up JDK 1.8
+    - name: Set up JDK 17
       uses: actions/setup-java@v3
       with:
         distribution: 'zulu'
-        java-version: "8"
+        java-version: "17"
 
     - name: Setup Android SDK
       uses: android-actions/setup-android@v3