Upgrade from Chromium 75.0.3770.100 to Chromium 75.0.3770.142

[bsclifton]

Test plan

Check branding items
Check for version bump

[bsclifton]

Fixed with brave/brave-core#2926 and #5252

[kjozwiak]

Following manual passes will be used to ensure that CR 75.0.3770.142 didn't regressing anything obvious:

• Manual test run on OS X for 0.66.x - Release Hotfix 1 (Release Channel) Manual test run on OS X for 0.66.x - Release Hotfix 1 (Release Channel) #5256
• Manual test run on Win x64 for 0.66.x - Release Hotfix 1 (Release Channel) Manual test run on Win x64 for 0.66.x - Release Hotfix 1 (Release Channel) #5257
• Manual test run on Linux for 0.66.x - Release Hotfix 1 (Release Channel) Manual test run on Linux for 0.66.x - Release Hotfix 1 (Release Channel) #5258

[GeetaSarvadnya]

Verification passed on

Brave	0.66.100 Chromium: 75.0.3770.142 (Official Build) (64-bit)
Revision	8d93477bd18154c67a70a67019cb8032382c55dd-refs/branch-heads/3770@{#1160}
OS	Windows 10 OS Version 1803 (Build 17134.523)

Verified passed with

Brave	0.66.100 Chromium: 75.0.3770.142 (Official Build) (64-bit)
Revision	8d93477bd18154c67a70a67019cb8032382c55dd-refs/branch-heads/3770@{#1160}
OS	Mac OS X

Verification passed on

Brave	0.66.100 Chromium: 75.0.3770.142 (Official Build) (64-bit)
Revision	8d93477bd18154c67a70a67019cb8032382c55dd-refs/branch-heads/3770@{#1160}
OS	Ubuntu 18.04 LTS