MFH: r510771

www/chromium: Update to 76.0.3809.132

Changelog: https://chromium.googlesource.com/chromium/src/+log/76.0.3809.100..76.0.3809.132?pretty=fuller&n=10000

Submitted by: Matthias Wolf <matthias@rheinwolf.de>

Approved by: ports-secteam (joneum)