Use Maven install instead of verify

Otherwise the cloud contract stubs aren't found.

Author: mhalbritter

.github/workflows/build-pull-request.yml

@@ -21,4 +21,4 @@ jobs:
           cache: 'maven'
 
       - name: Build with Maven
-        run: ./mvnw --batch-mode --update-snapshots -Pfull verify
+        run: ./mvnw --batch-mode --update-snapshots -Pfull install

.github/workflows/build.yml

@@ -36,7 +36,7 @@ jobs:
 
       - name: Maven verify
         if: ${{ !matrix.runner.deploy-snapshots }}
-        run: ./mvnw --no-transfer-progress --batch-mode --update-snapshots -Pfull verify
+        run: ./mvnw --no-transfer-progress --batch-mode --update-snapshots -Pfull install
 
       - name: Maven deploy
         if: ${{ matrix.runner.deploy-snapshots }}