chore: Track flagsmith-js-sdk 12.2.0 (#8405)

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

@@ -55,6 +55,7 @@
         "12.0.1",
         "12.1.0",
         "12.1.2",
+        "12.2.0",
     ],
     "flagsmith-kotlin-android-sdk": [
         "unknown",