ci: Generate extensions in sync-flake-lock.yml

Author: tomasol

.github/workflows/sync-flake-lock.yml

@@ -38,6 +38,10 @@ jobs:
         run: |
           nix develop . --command ./scripts/dev-deps.sh
 
+      - name: Generate extensions
+        run: |
+          nix develop . --command ./scripts/obelisk-generate-extensions.sh
+
       - name: Generate Unique Branch Name
         id: branch-name
         run: echo "branch_name=sync-flake-lock-$(date +'%Y%m%d-%H%M%S')" >> $GITHUB_OUTPUT