Do not check files outside package directories

Author: Planeshifter

.github/workflows/run_affected_tests.yml

@@ -125,6 +125,9 @@ jobs:
         run: |
           all_changed="${{ steps.changed-directories.outputs.all_changed_files }}"
 
+          # Only keep files which reside in package directories:
+          all_changed=$(echo "${all_changed}" | tr ' ' '\n' | grep '^lib/node_modules/@stdlib')
+
           # Find unique package directories:
           directories=$(echo "${all_changed}" | tr ' ' '\n' | sed -E 's/\/(bin|data|etc|include|lib|src|test)\/?$//' | uniq)