build(deps): bump hashicorp/setup-copywrite

Bumps the github-actions-backward-compatible group with 1 update: [hashicorp/setup-copywrite](https://github.com/hashicorp/setup-copywrite).


Updates `hashicorp/setup-copywrite` from 1.1.2 to 1.1.3
- [Release notes](https://github.com/hashicorp/setup-copywrite/releases)
- [Commits](hashicorp/setup-copywrite@v1.1.2...v1.1.3)

---
updated-dependencies:
- dependency-name: hashicorp/setup-copywrite
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-actions-backward-compatible
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Checkout Repo
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Install copywrite
-        uses: hashicorp/[email protected].2
+        uses: hashicorp/[email protected].3
       - name: Validate Header Compliance
         run: copywrite headers --plan