Update actions/upload-artifact action to v4 (#11684)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/mypy_primer.yml

@@ -60,7 +60,7 @@ jobs:
             | tee diff_${{ matrix.shard-index }}.txt
           ) || [ $? -eq 1 ]
       - name: Upload mypy_primer diff
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: mypy_primer_diff_${{ matrix.shard-index }}
           path: diff_${{ matrix.shard-index }}.txt
@@ -70,7 +70,7 @@ jobs:
           echo ${{ github.event.pull_request.number }} | tee pr_number.txt
       - if: ${{ matrix.shard-index == 0 }}
         name: Upload PR number
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: mypy_primer_diff_pr_number
           path: pr_number.txt