Bump flexsearch to ^0.8.212 (#46875)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

docs/package.json

@@ -68,7 +68,7 @@
     "feed": "^5.1.0",
     "fg-loadcss": "^3.1.0",
     "final-form": "^5.0.0",
-    "flexsearch": "^0.8.205",
+    "flexsearch": "^0.8.212",
     "json2mq": "^0.2.0",
     "jss": "^10.10.0",
     "jss-plugin-template": "^10.10.0",