Chore(deps): Bump shimataro/ssh-key-action from 2.7.0 to 2.8.0

Bumps [shimataro/ssh-key-action](https://github.com/shimataro/ssh-key-action) from 2.7.0 to 2.8.0.
- [Release notes](https://github.com/shimataro/ssh-key-action/releases)
- [Changelog](https://github.com/shimataro/ssh-key-action/blob/v2/CHANGELOG.md)
- [Commits](shimataro/ssh-key-action@d4fffb5...6b84f2e)

---
updated-dependencies:
- dependency-name: shimataro/ssh-key-action
  dependency-version: 2.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/github2gerrit-v2.yaml

@@ -120,7 +120,7 @@ jobs:
           token: ${{ github.token }}
 
       - name: "Setup SSH key"
-        uses: shimataro/ssh-key-action@d4fffb50872869abe2d9a9098a6d9c5aa7d16be4
+        uses: shimataro/ssh-key-action@6b84f2e793b32fa0b03a379cadadec75cc539391
         with:
           key: ${{ secrets.GERRIT_SSH_PRIVKEY_G2G }}
           name: "id_rsa"

.github/workflows/github2gerrit.yaml

@@ -176,7 +176,7 @@ jobs:
           git --no-pager log --graph --all --decorate --pretty=oneline -n5
 
       - name: Install SSH Key
-        uses: shimataro/ssh-key-action@d4fffb50872869abe2d9a9098a6d9c5aa7d16be4 # v2.7.0
+        uses: shimataro/ssh-key-action@6b84f2e793b32fa0b03a379cadadec75cc539391 # v2.8.0
         with:
           key: ${{ secrets.GERRIT_SSH_PRIVKEY_G2G }}
           name: "id_rsa"

action.yaml

@@ -131,7 +131,7 @@ runs:
         git --no-pager log --graph --all --decorate --pretty=oneline -n5
 
     - name: Install SSH Key
-      uses: shimataro/ssh-key-action@d4fffb50872869abe2d9a9098a6d9c5aa7d16be4 # v2.7.0
+      uses: shimataro/ssh-key-action@6b84f2e793b32fa0b03a379cadadec75cc539391 # v2.8.0
       with:
         key: ${{ inputs.GERRIT_SSH_PRIVKEY_G2G }}
         name: "id_rsa"