www/chromium: update to 94.0.4606.81
MFH: 2021Q4
Security: https://vuxml.freebsd.org/freebsd/a7732806-0b2a-11ec-836b-3065ec8fd3ec.html
Security: https://vuxml.freebsd.org/freebsd/47b571f2-157b-11ec-ae98-704d7b472482.html
Security: https://vuxml.freebsd.org/freebsd/3551e106-1b17-11ec-a8a7-704d7b472482.html
Security: https://vuxml.freebsd.org/freebsd/b6c875f1-1d76-11ec-ae80-704d7b472482.html
Security: https://vuxml.freebsd.org/freebsd/777edbbe-2230-11ec-8869-704d7b472482.html
Security: https://vuxml.freebsd.org/freebsd/7d3d94d3-2810-11ec-9c51-3065ec8fd3ec.html