Fix test build JDK and ubuntu versions

Author: robotgryphon

.github/workflows/test-build.yml

@@ -6,7 +6,7 @@ on:
 jobs:
   vars:
     name: Get Variables
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     outputs:
       release_type: ${{steps.cf_release_type.outputs.value }}
       cf_project: ${{steps.cf_project.outputs.value }}
@@ -46,7 +46,7 @@ jobs:
 
   changelog:
     name: Generate Changelog (tags)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -95,7 +95,7 @@ jobs:
 
   jar:
     name: Publish JAR
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     needs: [vars, changelog]
     steps:
       - name: Download Changelog Results
@@ -107,10 +107,10 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
-      - name: Set up JDK 1.8
+      - name: Set up JDK
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: "8.0.282"
 
       - name: Cache Gradle packages
         uses: actions/cache@v2
@@ -139,7 +139,7 @@ jobs:
 
   view:
     name: View Changelog Output
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     needs: [changelog]
     steps:
       - name: Download Build Results