Update GitHub Artifact Actions

Author: renovate[bot]

.github/workflows/pipeline.yaml

@@ -300,7 +300,7 @@ jobs:
         run: nox -t build
 
       - name: Store build artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: build
           path: |
@@ -343,7 +343,7 @@ jobs:
         run: git checkout ${{ steps.build_docs.outputs.branch_name}}
 
       - name: Store Docs Artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: docs
           path: |
@@ -381,7 +381,7 @@ jobs:
         with:
           python-version: ${{ matrix.py }}
       - name: Download build
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           name: build
           path: dist
@@ -430,7 +430,7 @@ jobs:
         with:
           python-version: "3.12"
       - name: Download build
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           name: build
           path: dist