chore(deps): bump actions/upload-artifact from 4 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/test-and-build.yaml

@@ -77,7 +77,7 @@ jobs:
       - name: "Run Android native unit tests"
         run: melos run test:android
       - name: Upload build artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ runner.os }}-build-artifact
           include-hidden-files: true
@@ -119,7 +119,7 @@ jobs:
       - name: "Run iOS native unit tests"
         run: TEST_DEVICE='iPhone 16 Pro' TEST_OS='18.5' melos run test:ios
       - name: Upload build artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ runner.os }}-build-artifact
           include-hidden-files: true
@@ -161,7 +161,7 @@ jobs:
       - name: "Run build for Android"
         run: melos run flutter-build-android
       - name: Upload build artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ runner.os }}-build-artifact
           include-hidden-files: true
@@ -208,7 +208,7 @@ jobs:
       - name: "Run build for iOS"
         run: melos run flutter-build-ios
       - name: Upload build artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ runner.os }}-build-artifact
           include-hidden-files: true
@@ -309,7 +309,7 @@ jobs:
         run: |
           patrol test ${{ runner.debug && '--show-flutter-logs --verbose' || '' }}
       - name: Upload test report
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: ${{ always() }}
         with:
           name: android_integration_test_report
@@ -397,7 +397,7 @@ jobs:
         run: |
           patrol test --dart-define=MAPS_API_KEY="$MAPS_API_KEY" --ios=$IOS_VERSION ${{ runner.debug && '--show-flutter-logs --verbose' || '' }} -d "$DEVICE_ID"
       - name: Upload test report
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: ${{ always() }}
         with:
           name: ios_integration_test_report