Bump webfactory/ssh-agent from 0.8.0 to 0.9.0

Bumps [webfactory/ssh-agent](https://github.com/webfactory/ssh-agent) from 0.8.0 to 0.9.0.
- [Release notes](https://github.com/webfactory/ssh-agent/releases)
- [Changelog](https://github.com/webfactory/ssh-agent/blob/master/CHANGELOG.md)
- [Commits](webfactory/ssh-agent@v0.8.0...v0.9.0)

---
updated-dependencies:
- dependency-name: webfactory/ssh-agent
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
         distribution: temurin
     - uses: actions/checkout@v4
     - run: sbt -v -Dfile.encoding=UTF8 "+test" testConscript
-    - uses: webfactory/ssh-agent@v0.8.0
+    - uses: webfactory/ssh-agent@v0.9.0
       if: ${{ github.repository_owner == 'foundweekends' && github.ref == 'refs/heads/master' && github.event_name == 'push' }}
       with:
         ssh-private-key: ${{ secrets.DEPLOY_KEY_1 }}