build: 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/build.yml

@@ -37,7 +37,7 @@ jobs:
         run: ./gradlew buildPlugin --exclude-task test
 
       - name: Upload Assets
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: ddev-intellij-plugin
           path: build/distributions/*.zip

.github/workflows/tests.yml

@@ -40,14 +40,14 @@ jobs:
 
       - name: Upload Test Report
         if: ${{ always() }}
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: test-report-${{ matrix.os }}
           path: build/reports/tests/test
 
       - name: Upload HTML test coverage report
         if: ${{ matrix.os == 'ubuntu-latest' && always() }}
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: coverage-report
           path: build/reports/jacoco/test/html

.github/workflows/verify.yml

@@ -38,7 +38,7 @@ jobs:
         run: ./gradlew verifyPlugin --stacktrace --info
 
       - name: Upload Report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: test-report-${{ matrix.os }}
           path: build/reports/pluginVerifier