chromium: Ignore unknown warning options

This can e.g. save around 150k lines of unnecessary log messages which
take up around 66% of the total lines (based on a log of 80.0.3987.100):
29527 warning: unknown warning option '-Wno-bitwise-conditional-parentheses'; did you mean '-Wno-bitwise-op-parentheses'? [-Wunknown-warning-option]
29527 warning: unknown warning option '-Wno-builtin-assume-aligned-alignment' [-Wunknown-warning-option]
29527 warning: unknown warning option '-Wno-deprecated-copy'; did you mean '-Wno-deprecated'? [-Wunknown-warning-option]
29527 warning: unknown warning option '-Wno-final-dtor-non-final-class'; did you mean '-Wno-abstract-final-class'? [-Wunknown-warning-option]
29527 warning: unknown warning option '-Wno-implicit-int-float-conversion'; did you mean '-Wno-implicit-float-conversion'? [-Wunknown-warning-option]