actions(deps): bump opentofu/setup-opentofu from 1.0.4 to 1.0.5

Bumps [opentofu/setup-opentofu](https://github.com/opentofu/setup-opentofu) from 1.0.4 to 1.0.5.
- [Release notes](https://github.com/opentofu/setup-opentofu/releases)
- [Commits](opentofu/setup-opentofu@12f4deb...592200b)

---
updated-dependencies:
- dependency-name: opentofu/setup-opentofu
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/pull-validate-service-accounts.yaml

@@ -39,7 +39,7 @@ jobs:
 
       - name: Setup Terraform
         id: setup_terraform
-        uses: opentofu/setup-opentofu@12f4debbf681675350b6cd1f0ff8ecfbda62027b
+        uses: opentofu/setup-opentofu@592200bd4b9bbf4772ace78f887668b1aee8f716
 
       - name: Terraform Init
         id: terraform_init