Update test.yaml

Co-authored-by: Christopher Bartz <[email protected]>
Signed-off-by: Mariyan Dimitrov <[email protected]>

.github/workflows/test.yaml

@@ -116,7 +116,7 @@ jobs:
       - name: Run Vale tests
         uses: errata-ai/vale-action@reviewdog
         with:
-          files: ./docs
+          files: ${{ inputs.charm-directory }}/docs
           fail_on_error: false
   shellcheck-lint:
     name: Shell scripts lint