build(deps): bump actions/upload-artifact from 5 to 7

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...v7)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/docs.yml

@@ -40,7 +40,7 @@ jobs:
         run: |
           julia --project=doc/ doc/make.jl deploy
       - name: Upload HTML
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v7
         with:
           name: html-site
           path: doc/build/

.github/workflows/pdf.yml

@@ -35,7 +35,7 @@ jobs:
           DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
         run: julia --project=doc/ doc/make.jl deploy pdf texplatform=docker
       - name: upload complied PDF file
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v7
         with:
           name: compiled contents
           path: doc/build/*.pdf