Meson

vendor: add fmt dep #1735

Job	Run time
nix-build-develop-gcc (none, release, true)	3m 8s
nix-build-develop-clang (none, release, true)	2m 52s
nix-build-develop-gcc (none, release, false)	3m 7s
nix-build-develop-clang (none, release, false)	2m 56s
nix-build-develop-gcc (none, debug, true)	3m 0s
nix-build-develop-clang (none, debug, true)	2m 42s
nix-build-develop-gcc (none, debug, false)	2m 58s
nix-build-develop-clang (none, debug, false)	2m 40s
nix-build-develop-gcc (undefined, release, true)	6m 42s
nix-build-develop-gcc (undefined, release, false)	6m 37s
nix-build-develop-gcc (undefined, debug, true)	3m 39s
nix-build-develop-gcc (undefined, debug, false)	3m 38s
	43m 59s

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