Add missing slash

Signed-off-by: Sara Damiano <sdamiano@stroudcenter.org>

Author: SRGDamia1

.github/workflows/build_examples.yaml

@@ -83,7 +83,7 @@ jobs:
         run: |
           echo "Pull Request from the fork ${{ github.event.pull_request.head.repo.full_name }} at ${{ github.event.pull_request.head.ref }}"
           echo "LIBRARY_INSTALL_ZIP=https://github.com/${{ github.event.pull_request.head.repo.full_name }}/archive/${{ github.event.pull_request.head.ref }}.zip" >> $GITHUB_ENV
-          echo "LIBRARY_INSTALL_GIT=https://github.com${{ github.event.pull_request.head.repo.full_name }}.git#${{ github.event.pull_request.head.ref }}" >> $GITHUB_ENV
+          echo "LIBRARY_INSTALL_GIT=https://github.com/${{ github.event.pull_request.head.repo.full_name }}.git#${{ github.event.pull_request.head.ref }}" >> $GITHUB_ENV
 
       - name: store enviroment variables as output
         id: store_vars