Bump actions/upload-artifact from 4.3.6 to 4.6.0

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4.3.6 to 4.6.0.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4.3.6...v4.6.0)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/primer.yaml

@@ -54,7 +54,7 @@ jobs:
           echo ${{ github.event.pull_request.number }} | tee pr_number.txt
           cp .pydocstringformatter_primer_tests/fulldiff.txt fulldiff.txt
       - name: Upload primer diff and PR number
-        uses: actions/upload-artifact@v4.3.6
+        uses: actions/upload-artifact@v4.6.0
         with:
           name: primer_diffs
           path: |

.github/workflows/tests.yaml

@@ -27,7 +27,7 @@ jobs:
       - name: Run pytest
         run: pytest -vv --cov
       - name: Upload coverage artifact
-        uses: actions/upload-artifact@v4.3.6
+        uses: actions/upload-artifact@v4.6.0
         with:
           name: coverage-linux-${{ matrix.python-version }}
           path: .coverage
@@ -56,7 +56,7 @@ jobs:
       - name: Run pytest
         run: pytest -vv --cov
       - name: Upload coverage artifact
-        uses: actions/upload-artifact@v4.3.6
+        uses: actions/upload-artifact@v4.6.0
         with:
           name: coverage-windows-${{ matrix.python-version }}
           path: .coverage