chore: Track flagsmith-js-sdk 12.0.0 (#7300)

Co-authored-by: flagsmith-engineering[bot] <flagsmith-engineering[bot]@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: 3 people

api/app_analytics/constants.py

@@ -47,6 +47,7 @@
         "unknown",
         "9.3.1",
         "10.0.0",
+        "12.0.0",
     ],
     "flagsmith-kotlin-android-sdk": [
         "unknown",