Update action versions in GH workflows.

.github/workflows/spine-libgdx.yml

@@ -4,6 +4,7 @@ on:
   push:
     paths:
       - 'spine-libgdx/**'
+  workflow_dispatch:
 
 jobs:
   build:
@@ -11,9 +12,10 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Set up JDK 1.8
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@v3 
       with:
-        java-version: 1.8
+        distribution: 'zulu'
+        java-version: "8"       
         server-id: sonatype-nexus-snapshots
         server-username: MAVEN_USERNAME
         server-password: MAVEN_PASSWORD

.github/workflows/spine-ts.yml

@@ -4,6 +4,7 @@ on:
   push:
     paths:
       - 'spine-ts/**'
+  workflow_dispatch:
 
 jobs:
   build: