Bump up9cloud/action-rsync from 1.3 to 1.4

Bumps [up9cloud/action-rsync](https://github.com/up9cloud/action-rsync) from 1.3 to 1.4.
- [Release notes](https://github.com/up9cloud/action-rsync/releases)
- [Commits](up9cloud/action-rsync@v1.3...v1.4)

---
updated-dependencies:
- dependency-name: up9cloud/action-rsync
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/gadi_deploy.yml

@@ -15,7 +15,7 @@ jobs:
         uses: actions/[email protected]
       - name: Sync repository to Gadi
         ### Latest at time of writing
-        uses: up9cloud/action-rsync@v1.3
+        uses: up9cloud/action-rsync@v1.4
         env:
           HOST: gadi.nci.org.au
           TARGET: ${{secrets.GADI_REPO_PATH}}