prepare 2.22.1 release (#62)

Author: LaunchDarklyCI

README.md

@@ -47,4 +47,3 @@ We encourage pull requests and other contributions from the community. Check out
     * [docs.launchdarkly.com](https://docs.launchdarkly.com/  "LaunchDarkly Documentation") for our documentation and SDK reference guides
     * [apidocs.launchdarkly.com](https://apidocs.launchdarkly.com/  "LaunchDarkly API Documentation") for our API documentation
     * [blog.launchdarkly.com](https://blog.launchdarkly.com/  "LaunchDarkly Blog Documentation") for the latest product updates
-    * [Feature Flagging Guide](https://github.com/launchdarkly/featureflags/  "Feature Flagging Guide") for best practices and strategies

package-lock.json

@@ -56,7 +56,7 @@
     "typescript": "~3.8.3"
   },
   "dependencies": {
-    "launchdarkly-js-client-sdk": "2.19.0",
+    "launchdarkly-js-client-sdk": "2.19.1",
     "lodash.camelcase": "^4.3.0",
     "uuid": "^3.3.2"
   },