[RelEng] Perform code freeze period check in GitHub workflow (eclipse…

…-platform#18)

.github/workflows/verifyFreezePeriod.yml

@@ -0,0 +1,12 @@
+# This workflow calls the Code-Freeze-Period check
+
+name: Check Code Freeze Period
+
+on:
+  pull_request:
+    branches: 
+     - 'master'
+
+jobs:
+  check-freeze-period:
+    uses: eclipse-platform/eclipse.platform.releng.aggregator/.github/workflows/verifyFreezePeriod.yml@master

Jenkinsfile

@@ -31,19 +31,5 @@ pipeline {
 				}
 			}
 		}
-		stage('Check freeze period') {
-			when {
-				not {
-					branch 'master'
-				}
-			}
-			steps {
-				sh "wget https://download.eclipse.org/eclipse/relengScripts/scripts/verifyFreezePeriod.sh"
-				sh "chmod +x verifyFreezePeriod.sh"
-				withCredentials([string(credentialsId: 'google-api-key', variable: 'GOOGLE_API_KEY')]) {
-					sh './verifyFreezePeriod.sh'
-				}
-			}
-		}
 	}
 }