chore(deps): update webfactory/ssh-agent action to v0.9.0 (#1634)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -194,7 +194,7 @@ jobs:
 
             # Setup an ssh keypair and github.com in known_hosts for e2e/git_dep_metadata,
             # which exercises fetching a git repository via ssh.
-            - uses: webfactory/ssh-agent@v0.8.0
+            - uses: webfactory/ssh-agent@v0.9.0
               env:
                   ASPECT_GHTESTER_SSH_KEY: ${{ secrets.ASPECT_GHTESTER_SSH_KEY }}
               if: env.ASPECT_GHTESTER_SSH_KEY != ''