Bump MrSquaare/ssh-setup-action from 1 to 3

Bumps [MrSquaare/ssh-setup-action](https://github.com/mrsquaare/ssh-setup-action) from 1 to 3.
- [Release notes](https://github.com/mrsquaare/ssh-setup-action/releases)
- [Commits](https://github.com/mrsquaare/ssh-setup-action/compare/v1...v3)

---
updated-dependencies:
- dependency-name: MrSquaare/ssh-setup-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/update.yml

@@ -21,7 +21,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup SSH
-        uses: MrSquaare/ssh-setup-action@v1
+        uses: MrSquaare/ssh-setup-action@v3
         with:
             host: github.com
             private-key: ${{ secrets.SSH_PRIVATE_KEY }}