build(release): Updated yarn.lock

Author: halfzebra

yarn.lock

@@ -1426,10 +1426,14 @@ find-up@^1.0.0, find-up@^1.1.2:
     path-exists "^2.0.0"
     pinkie-promise "^2.0.0"
 
-[email protected], firstline@^1.2.0:
+[email protected]:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/firstline/-/firstline-1.2.0.tgz#c9f4886e7f7fbf0afc12d71941dce06b192aea05"
 
+firstline@^1.2.0:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/firstline/-/firstline-1.2.1.tgz#b88673c42009f8821fac2926e99720acee924fae"
+
 flat-cache@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-1.2.1.tgz#6c837d6225a7de5659323740b36d5361f71691ff"