Bump upload-artifact

Author: cmacfarl

.github/workflows/pull-request.yaml

@@ -34,7 +34,7 @@ jobs:
         env:
           PR_NUMBER: ${{ github.event.number }}
           ID:  ${{ github.run_attempt }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: FTCDOCS-PDF
           path: |
@@ -66,7 +66,7 @@ jobs:
         run: make -C docs/ html
 
       - name: Archive Site
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: FTCDOCS-HTML
           path: 'docs/build/html'
@@ -103,7 +103,7 @@ jobs:
 
       - name: Archive Log
         if: ${{ failure() }}
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         env:
           PR_NUMBER: ${{ github.event.number }}
           ID:  ${{ github.run_attempt }}