switch git branch master to main (#59)

Signed-off-by: HARPER Jon <[email protected]>

Author: jonenst

.github/workflows/maven.yml

@@ -20,7 +20,7 @@ jobs:
         uses: actions/checkout@v1
         with:
           repository: powsybl/powsybl-network-store
-          ref: refs/heads/master
+          ref: refs/heads/main
 
       - name: Build and install network store client with Maven
         run: mvn --batch-mode -Pclient -DskipTests=true --file ../powsybl-network-store/pom.xml install
@@ -42,7 +42,7 @@ jobs:
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
 
       - name: Build Docker image
-        if: github.ref == 'refs/heads/master'
+        if: github.ref == 'refs/heads/main'
         run: >
           mvn --batch-mode deploy -DskipTests -Dmaven.install.skip -Dmaven.deploy.skip -Dpowsybl.docker.deploy
           -Djib.httpTimeout=60000
@@ -51,8 +51,8 @@ jobs:
           -Djib.to.auth.password=${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Broadcast update event
-        if: github.ref == 'refs/heads/master'
-        uses: gridsuite/broadcast-event@master
+        if: github.ref == 'refs/heads/main'
+        uses: gridsuite/broadcast-event@main
         with:
           token: ${{ secrets.REPO_ACCESS_TOKEN }}
           event-type: geo_data_updated