Bump webfactory/ssh-agent from 0.8.0 to 0.9.0 (#164)

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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/deploy.yml

@@ -95,7 +95,7 @@ jobs:
         with:
           bundler-cache: true
       - name: Prepare SSH agent
-        uses: webfactory/ssh-agent@v0.8.0
+        uses: webfactory/ssh-agent@v0.9.0
         with:
           ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
       - name: Deploy

.github/workflows/publish-docs.yml

@@ -131,7 +131,7 @@ jobs:
       - name: Install JS packages
         if: ${{ inputs.use_node }}
         run: yarn install --frozen-lockfile
-      - uses: webfactory/ssh-agent@v0.8.0
+      - uses: webfactory/ssh-agent@v0.9.0
         with:
           ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
       - name: Prepare CI