specify working directory

Author: matthewnitschke-wk

.github/workflows/checks.yaml

@@ -57,7 +57,8 @@ jobs:
 
       # run pub get to resolve `analysis_options.yaml` dependencies (like 'workiva_analysis_options')
       # which might make configuration setting modifying format results
-      - run: dart pub get
+      - working-directory: ${{ inputs.package-path }}
+        run: dart pub get
 
       - name: Run format
         working-directory: ${{ inputs.package-path }}