gateway: bump burnett01/rsync-deployments from 5.2 to 8

Bumps [burnett01/rsync-deployments](https://github.com/burnett01/rsync-deployments) from 5.2 to 8.
- [Release notes](https://github.com/burnett01/rsync-deployments/releases)
- [Commits](Burnett01/rsync-deployments@0dc935c...0c90252)

---
updated-dependencies:
- dependency-name: burnett01/rsync-deployments
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/dummy.yml

@@ -47,7 +47,7 @@ jobs:
         if: false
       - uses: browser-actions/setup-geckodriver@5ef1526ed36211ab6cb531ec1cfb11f924ca2dee
         if: false
-      - uses: burnett01/rsync-deployments@0dc935cdecc5f5e571865e60d2a6cdc673704823  # 5.2
+      - uses: burnett01/rsync-deployments@7659d600d8bdd035bb5cdfba1d4bd0dd4a307ca6  # 8.0.3
         if: false
       - uses: carloscastrojumo/github-cherry-pick-action@503773289f4a459069c832dc628826685b75b4b3  # v1.0.10
         if: false