ci: update upload-artifact action to v7

.github/workflows/ci.yml

@@ -254,7 +254,7 @@ jobs:
           df -h
 
       - name: upload artifacts to github
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           # name is set in previous step
           name: ${{ env.DOC_ARTIFACT_NAME }}

.github/workflows/dependencies.yml

@@ -66,7 +66,7 @@ jobs:
         run: ./src/tools/update-lockfile.sh
 
       - name: upload Cargo.lock artifact for use in PR
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: Cargo-lock
           path: |
@@ -75,7 +75,7 @@ jobs:
             src/tools/rustbook/Cargo.lock
           retention-days: 1
       - name: upload cargo-update log artifact for use in PR
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: cargo-updates
           path: cargo_update.log