chore: rename image prefix

Author: paullatzelsperger

.github/workflows/publish-docker.yml

@@ -27,7 +27,7 @@ concurrency:
 
 jobs:
   build-and-push:
-    name: "Build and publish Docker images"
+    name: "Build docker image for ${{ matrix.name }}"
     runs-on: ubuntu-latest
     if: github.repository_owner == 'eclipse-edc'
     strategy:
@@ -63,7 +63,8 @@ jobs:
       - name: Set lowercase repository name
         id: repo
         run: |
-          repo_lowercase=$(echo "$GITHUB_REPOSITORY" | tr '[:upper:]' '[:lower:]')
+          # repo_lowercase=$(echo "$GITHUB_REPOSITORY" | tr '[:upper:]' '[:lower:]')
+          repo_lowercase="mvd"
           echo "repo_lowercase=${repo_lowercase}" >> "$GITHUB_OUTPUT"
 
       - name: Extract version from gradle.properties