Bytt til ny gradle action i github workflow

Co-authored-by: Vegard Skjefstad <[email protected]>

Author: JMLindseth

.github/workflows/deploy.yaml

@@ -22,7 +22,7 @@ jobs:
           java-version: 21
 
       - uses: gradle/[email protected]
-      - uses: gradle/[email protected]
+      - uses: gradle/actions/setup-gradle@v4
         id: build
         env:
           DEPENDENCY_GRAPH_INCLUDE_CONFIGURATIONS: compileClasspath|runtimeClasspath