ci: fix Komodo deploy step permission denied

core.fileMode is false in this repo, so the exec bit on
komodo-deploy.sh was not recorded and the runner hit
'Permission denied'. Mark the file executable in the index and
invoke it via 'sh' so the step no longer depends on the mode bit.

.gitea/workflows/docker-dev.yml

@@ -40,4 +40,4 @@ jobs:
           # Set the KOMODO_STACK_DEV repository variable to your dev stack name.
           # When it is empty the deploy step is skipped, so dev builds still pass.
           KOMODO_TARGET: '${{ vars.KOMODO_STACK_DEV }}'
-        run: ./.gitea/scripts/komodo-deploy.sh
+        run: sh ./.gitea/scripts/komodo-deploy.sh