Bump golang.org/x/oauth2 from 0.6.0 to 0.27.0 #2725

Job	Run time
env-protect-setup	5s
authorize	2s
get-dev-image / get-image	12s
clang-tidy	6m 10s
generate-matrix	23m 18s
code-coverage	0s
build-and-test (ASAN, nokvm, --config=asan --compilation_mode=dbg, bazel_buildables_sanitizer, ba...	19m 33s
build-and-test (TSAN, nokvm, --config=tsan --compilation_mode=dbg, bazel_buildables_sanitizer, ba...	18m 15s
build-and-test (Clang debug, nokvm, --config=clang --compilation_mode=dbg, bazel_buildables_clang...	18m 46s
build-and-test (GCC opt, nokvm, --config=gcc --compilation_mode=opt, bazel_buildables_gcc_opt, ba...	18m 9s
build-and-test (Clang opt + UI, nokvm, --config=clang --compilation_mode=opt, bazel_buildables_cl...	28m 58s
build-and-test (Go race detector, nokvm, --config=go_race --compilation_mode=opt, bazel_buildable...	16m 16s
build-and-test-status	3s
	2h 29m 47s

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