Merge pull request #20942 from wordpress-mobile/gutenberg/integrate_release_1.120.0

Integrate gutenberg-mobile release v1.120.0

Author: Gerardo Pacheco

build.gradle

@@ -23,7 +23,7 @@ ext {
     automatticAboutVersion = '1.4.0'
     automatticRestVersion = '1.0.8'
     automatticTracksVersion = '5.1.0'
-    gutenbergMobileVersion = 'v1.120.0-alpha1'
+    gutenbergMobileVersion = 'v1.120.0'
     wordPressAztecVersion = 'v2.1.3'
     wordPressFluxCVersion = '2.83.0'
     wordPressLoginVersion = '1.15.0'