Update release-kontrakt.yml

Author: frode-carlsen

.github/workflows/release-kontrakt.yml

@@ -10,9 +10,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-java@v1
+      - uses: actions/setup-java@v2
         with:
-          java-version: 1.11
+          java-version: 11
+          distribution: 'adopt'
 
       - name: Set cache key
         run: |