Add `fmt` as a dependency #10

Job	Run time
build (--config=clang-format)	3m 58s
build (--config=clang-tidy)	4m 27s
build (--compilation_mode=opt)	4m 55s
test (gcc12)	4m 1s
test (gcc12, asan)	3m 49s
test (gcc12, tsan)	3m 43s
test (gcc12, ubsan)	3m 58s
test (clang16)	4m 43s
test (clang16, asan)	4m 20s
test (clang16, tsan)	4m 45s
test (clang16, ubsan)	4m 9s
buildifier	12s
build-without-terminfo (gcc12)	3m 46s
build-without-terminfo (clang16)	4m 12s
	54m 58s

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