Update SonarQube scan action from v4 to v6

v4 is no longer supported and contains a security vulnerability per
the deprecation notice from SonarSource.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: johnbrandborg

.github/workflows/development.yml

@@ -43,7 +43,7 @@ jobs:
 
       - name: SonarQube Scan
         if: matrix.python-version == '3.10'
-        uses: SonarSource/sonarqube-scan-action@v4
+        uses: SonarSource/sonarqube-scan-action@v6
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}