browser(webkit): roll to 02-22 (#5547)

Author: yury-s

browser_patches/webkit/BUILD_NUMBER

@@ -1,2 +1,2 @@
-1438
-Changed: lushnikov@chromium.com Fri Feb 19 21:08:07 PST 2021
+1439
+Changed: yurys@chromium.org Mon 22 Feb 2021 12:39:50 PM PST

browser_patches/webkit/UPSTREAM_CONFIG.sh

@@ -1,3 +1,3 @@
 REMOTE_URL="https://git.webkit.org/git/WebKit.git"
 BASE_BRANCH="master"
-BASE_REVISION="633b5f0dd3b32d0cfdcae97e191c5b010e18a0e0"
+BASE_REVISION="467972e3a8ba9090767a11534eecbf570417d035"