Update browserslistrc (#41947)

Author: mdo

.browserslistrc

@@ -1,12 +1,10 @@
 # https://github.com/browserslist/browserslist#readme
 
->= 0.5%
 last 2 major versions
 not dead
-Chrome >= 60
-Firefox >= 60
-Firefox ESR
-iOS >= 12
-Safari >= 12
+Chrome >= 120
+Firefox >= 121
+iOS >= 15.6
+Safari >= 15.6
 not Explorer <= 11
 not kaios <= 2.5 # fix floating label issues in Firefox (see https://github.com/postcss/autoprefixer/issues/1533)