Update check-pr.yml to run on all PRs (#244)

Author: stefmolin

.github/workflows/check-pr.yml

@@ -1,15 +1,11 @@
-# This workflow runs pre-commit hooks on the files in the PR only.
+# This workflow runs the pre-commit hooks on all files and confirms the docs can be built.
 #
 # Author: Stefanie Molin
 
 name: Check PR
 
 on:
   pull_request:
-    paths:
-      - 'docs/**'
-      - 'src/**'
-      - 'tests/**'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}