Bump taiki-e/install-action in the github-actions group

Bumps the github-actions group with 1 update: [taiki-e/install-action](https://github.com/taiki-e/install-action).


Updates `taiki-e/install-action` from 2.67.30 to 2.68.8
- [Release notes](https://github.com/taiki-e/install-action/releases)
- [Changelog](https://github.com/taiki-e/install-action/blob/main/CHANGELOG.md)
- [Commits](taiki-e/install-action@288875d...cfdb446)

---
updated-dependencies:
- dependency-name: taiki-e/install-action
  dependency-version: 2.68.8
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/spellcheck.yml

@@ -21,7 +21,7 @@ jobs:
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Install typos
-        uses: taiki-e/install-action@288875dd3d64326724fa6d9593062d9f8ba0b131 # v2.67.30
+        uses: taiki-e/install-action@d6e286fa45544157a02d45a43742857ebbc25d12 # v2.68.16
         with:
           tool: typos
       - name: Run typos