Avoid showing full paths.

Author: desrosj

.github/workflows/reusable-compare-build-script-results-v1.yml

@@ -75,10 +75,10 @@ jobs:
         run: mkdir artifacts
 
       - name: Create a list of files that have changed
-        run: diff -rq ${{ github.workspace }}/build ${{ github.workspace }}/built-wordpress > artifacts/file-changes.txt || true
+        run: diff -rq ${{ github.workspace }}/build ${{ github.workspace }}/built-wordpress | sed "s|${{ github.workspace }}/||g" > artifacts/file-changes.txt
 
       - name: Create a list of files that have changed
-        run: diff -r   ${{ github.workspace }}/build ${{ github.workspace }}/built-wordpress > artifacts/diff.patch || true
+        run: diff -r ${{ github.workspace }}/build ${{ github.workspace }}/built-wordpress | sed "s|${{ github.workspace }}/||g" > artifacts/changes.diff
 
       - name: Save PR number
         run: echo "${EVENT_NUMBER}" > ./artifacts/NR