Bump actions/upload-artifact from 6 to 7 (#295)

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

Author: dependabot[bot]

.github/workflows/check-surveys.yaml

@@ -67,7 +67,7 @@ jobs:
         run: Rscript inst/dev/check_all_surveys.r
 
       - name: Upload survey files as artifacts
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()  # Upload even if checks failed
         with:
           name: survey-files
@@ -76,7 +76,7 @@ jobs:
           if-no-files-found: warn
 
       - name: Upload check results
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: check-results

.github/workflows/render_readme.yaml

@@ -41,7 +41,7 @@ jobs:
         shell: Rscript {0}
 
       - name: Upload README.md as an artifact
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: readme
           path: README.md

.github/workflows/test-coverage.yaml

@@ -59,7 +59,7 @@ jobs:
 
       - name: Upload test results
         if: failure()
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: coverage-test-failures
           path: ${{ runner.temp }}/package