GH-977 - Forward jMolecules version into integration build.

Author: odrotbohm

.github/workflows/integration.yaml

@@ -42,4 +42,4 @@ jobs:
       run: |
         cd spring-modulith-examples
         ../mvnw -B versions:update-parent -DskipResolution=true -DparentVersion=${{ matrix.version }}
-        ../mvnw -B -Pwith-preview-repos -Dspring-boot.version=${{ matrix.version }}
+        ../mvnw -B -Pwith-preview-repos -Dspring-boot.version=${{ matrix.version }} -Djmolecules.version=${{ matrix.jmolecules }}