Bump actions/upload-artifact from 4 to 7 (#290)

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

Author: dependabot[bot]

.github/workflows/docs.yml

@@ -41,7 +41,7 @@ jobs:
       - run: mkdocs build
 
       - name: Archive framework docs
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: framework-docs
           path: |
@@ -84,7 +84,7 @@ jobs:
         run: nimble apis
 
       - name: Archive API docs
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: api-docs
           path: |