chore(deps): bump terraform-docs/gh-actions from 1.0.0 to 1.2.1

Bumps [terraform-docs/gh-actions](https://github.com/terraform-docs/gh-actions) from 1.0.0 to 1.2.1.
- [Release notes](https://github.com/terraform-docs/gh-actions/releases)
- [Commits](terraform-docs/gh-actions@f6d59f8...89278fb)

---
updated-dependencies:
- dependency-name: terraform-docs/gh-actions
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/update-docs.yml

@@ -36,7 +36,7 @@ jobs:
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # ratchet:actions/checkout@v4
 
       - name: Generate TF docs
-        uses: terraform-docs/gh-actions@f6d59f89a280fa0a3febf55ef68f146784b20ba0 # ratchet:terraform-docs/gh-actions@v1.0.0
+        uses: terraform-docs/gh-actions@89278fb4a14410bf46fcfbbfd6c96e962ae7b13c # ratchet:terraform-docs/gh-actions@v1.2.1
         with:
           find-dir: .
           git-commit-message: "docs: auto update terraform docs"