Bump actions/upload-artifact from 6 to 7

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 6 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6...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/shared-test.yml

@@ -84,7 +84,7 @@ jobs:
 
       - name: Upload Test Reports
         id: upload-test-reports
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: ${{ always() && inputs.upload-reports }}
         with:
           name: test-reports-${{ matrix.os }}-${{ matrix.idea-version }}
@@ -121,7 +121,7 @@ jobs:
 
       - name: Upload Plugin Artifact
         id: upload-plugin
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: plugin-artifact
           path: build/distributions/*.zip
@@ -165,7 +165,7 @@ jobs:
 
       - name: Upload Verify Reports
         id: upload-verify-reports
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: ${{ always() && inputs.upload-reports }}
         with:
           name: verify-plugin-reports-${{ matrix.ide-version }}