Bump actions/upload-artifact from 6.0.0 to 7.0.0

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 6.0.0 to 7.0.0.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6.0.0...v7.0.0)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/diff-change-to-dist.yaml

@@ -39,7 +39,7 @@ jobs:
           bin/dist-diff.sh origin/${{ github.event.pull_request.base.ref }} $GITHUB_WORKSPACE
 
       - name: Save GitHub release diffs
-        uses: actions/upload-artifact@v6.0.0
+        uses: actions/upload-artifact@v7.0.0
         with:
           name: GitHub release diffs
           path: .cache/diff/dist/*.diff

.github/workflows/diff-change-to-package.yaml

@@ -37,7 +37,7 @@ jobs:
           bin/package-diff.sh ${{ github.event.pull_request.base.ref }} $GITHUB_WORKSPACE
 
       - name: Save npm package diffs
-        uses: actions/upload-artifact@v6.0.0
+        uses: actions/upload-artifact@v7.0.0
         with:
           name: Package diff
           path: .cache/diff/package/*.diff

.github/workflows/sass.yaml

@@ -49,7 +49,7 @@ jobs:
           ! grep "\$govuk-" .tmp/index.css
 
       - name: Save compiled Sass
-        uses: actions/upload-artifact@v6.0.0
+        uses: actions/upload-artifact@v7.0.0
         if: ${{ !cancelled() }}
         with:
           name: Dart Sass v1.79.0 output
@@ -92,7 +92,7 @@ jobs:
           ! grep "\$govuk-" .tmp/index.css
 
       - name: Save compiled Sass
-        uses: actions/upload-artifact@v6.0.0
+        uses: actions/upload-artifact@v7.0.0
         if: ${{ !cancelled() }}
         with:
           name: Dart Sass v1 (latest) output

.github/workflows/tests.yml

@@ -219,7 +219,7 @@ jobs:
         run: npx jest --color ${{ format('--coverage={0} --maxWorkers=2 --selectProjects "{1}"', matrix.task.coverage || false, join(matrix.task.projects, '", "')) }}
 
       - name: Save test coverage
-        uses: actions/upload-artifact@v6.0.0
+        uses: actions/upload-artifact@v7.0.0
         with:
           name: ${{ matrix.task.description }} coverage (${{ matrix.runner.name }})
           path: coverage