Bump actions/upload-artifact from 3 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

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

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

Author: dependabot[bot]

.github/workflows/build.yml

@@ -44,7 +44,7 @@ jobs:
 
       - name: Archive build artifacts
         if: success()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           # To ensure that jobs don't overwrite existing artifacts,
           # use a different name per job.

.github/workflows/docs.yml

@@ -46,7 +46,7 @@ jobs:
 
       - name: Archive docs artifacts
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: docs
           path: docs