[#90] upgrade commonground-api-common version

Author: SonnyBA

pyproject.toml

@@ -41,9 +41,8 @@ dependencies = [
     "drf-spectacular[sidecar]>=0.27.2",
     "django-csp>=3.8",
     "djangorestframework-inclusions>=1.2.0",
-    "commonground-api-common>=1.12.1",
+    "commonground-api-common>=2.1.2",
     "mozilla-django-oidc-db>=0.19.0",
-    "zgw-consumers>=0.27.0",
     "psycopg2>=2.9.9",
     "bleach>=6.1.0",
     "python-dotenv>=1.0.0",