make yarn lock file current (#11375)

fixtures/dom/yarn.lock

@@ -2672,9 +2672,9 @@ fbjs@^0.8.1, fbjs@^0.8.4:
  setimmediate "^1.0.5"
  ua-parser-js "^0.7.9"
 
-fbjs@^0.8.9:
- version "0.8.12"
- resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.12.tgz#10b5d92f76d45575fd63a217d4ea02bea2f8ed04"
+fbjs@^0.8.16:
+ version "0.8.16"
+ resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.16.tgz#5e67432f550dc41b572bf55847b8aca64e5337db"
  dependencies:
  core-js "^1.0.0"
  isomorphic-fetch "^2.1.1"
@@ -4203,6 +4203,12 @@ loose-envify@^1.0.0, loose-envify@^1.1.0:
  dependencies:
  js-tokens "^2.0.0"
 
+loose-envify@^1.3.1:
+ version "1.3.1"
+ resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.3.1.tgz#d1a8ad33fa9ce0e713d65fdd0ac8b748d478c848"
+ dependencies:
+ js-tokens "^3.0.0"
+
 loud-rejection@^1.0.0:
  version "1.6.0"
  resolved "https://registry.yarnpkg.com/loud-rejection/-/loud-rejection-1.6.0.tgz#5b46f80147edee578870f086d04821cf998e551f"
@@ -4605,7 +4611,7 @@ oauth-sign@~0.8.1:
  version "0.8.2"
  resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
 
-[email protected]:
+[email protected], object-assign@^4.1.1:
  version "4.1.1"
  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
 
@@ -5257,11 +5263,13 @@ promise@^7.1.1:
  dependencies:
  asap "~2.0.3"
 
-prop-types@^15.5.6:
- version "15.5.6"
- resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.5.6.tgz#797a915b1714b645ebb7c5d6cc690346205bd2aa"
+prop-types@^15.6.0:
+ version "15.6.0"
+ resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.6.0.tgz#ceaf083022fc46b4a35f69e13ef75aed0d639856"
  dependencies:
- fbjs "^0.8.9"
+ fbjs "^0.8.16"
+ loose-envify "^1.3.1"
+ object-assign "^4.1.1"
 
 proxy-addr@~1.1.2:
  version "1.1.2"