Update setup-opentofu to fix issues with 1.6.x downloads (#1861)

Author: htplbc

action.yml

@@ -275,7 +275,7 @@ runs:
       if: inputs.setup-terragrunt == 'true'
 
     - name: Setup OpenTofu
-      uses: opentofu/[email protected].3
+      uses: opentofu/[email protected].5
       with:
         tofu_version: ${{ inputs.opentofu-version }}
         tofu_wrapper: false