build(deps): bump actions/upload-artifact from 4 to 5 (Lightning-AI#21315)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/_build-packages.yml

@@ -41,7 +41,7 @@ jobs:
           mkdir -p pypi/${{ matrix.pkg-name }}
           cp dist/* pypi/${{ matrix.pkg-name }}/
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: ${{ inputs.artifact-name }}-${{ matrix.pkg-name }}
           path: pypi
@@ -62,7 +62,7 @@ jobs:
 
       - name: Keep artifact
         run: python -c "print('DAYS=' + str(5 if '${{ github.event_name }}'.startswith('pull_request') else 0))" >> $GITHUB_ENV
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: ${{ inputs.artifact-name }}
           path: pypi

.github/workflows/_legacy-checkpoints.yml

@@ -108,7 +108,7 @@ jobs:
           python -c "print('AWS_RUN=' + str('' if '${{inputs.push_to_s3}}' == 'true' else '--dryrun'))" >> $GITHUB_ENV
 
       - name: Upload checkpoints to GitHub Actions artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: checkpoints-${{ github.sha }}
           path: ${{ env.LEGACY_FOLDER }}/checkpoints/

.github/workflows/docs-build.yml

@@ -133,7 +133,7 @@ jobs:
 
       - name: Upload built docs
         if: ${{ matrix.target == 'html' }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: docs-${{ matrix.pkg-name }}-${{ github.sha }}
           path: docs/build/html/

.github/workflows/release-nightly.yml

@@ -40,7 +40,7 @@ jobs:
           nb-dirs: ${{ env.NB_DIRS }}
           allow-local-changes: "true"
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: nightly-packages-${{ github.sha }}
           path: dist