Bump externals/tracy from `0624c59` to `651c6c5` #545

Job	Run time
Analyze Changes	7s
Label	3s
CI / Check Licenses	1m 52s
CI / Build Android (armeabi-v7a, Debug)	2m 36s
CI / Build Android (armeabi-v7a, Release)	2m 34s
CI / Check Formatting (C/C++)	0s
CI / Build Android (arm64-v8a, Debug)	2m 17s
CI / Build Linux (clang-10, Debug)	3m 21s
CI / Build Android (arm64-v8a, Release)	2m 15s
CI / Build Linux (clang-10, Release)	1m 56s
CI / Build Android (x86, Debug)	2m 14s
CI / Build Android (x86, Release)	2m 47s
CI / Build Linux (clang-11, Debug)	1m 52s
CI / Build Windows (msvc-15, Debug)	17m 37s
CI / Build Linux (clang-11, Release)	1m 47s
CI / Build Windows (msvc-15, Release)	17m 10s
CI / Build Linux (clang-12, Debug)	2m 5s
CI / Check Formatting (Markdown)	0s
CI / Build Windows (msvc-16, Debug)	17m 4s
CI / Build Linux (clang-12, Release)	1m 50s
CI / Build Windows (msvc-16, Release)	13m 21s
CI / Build Linux (gcc-9, Debug)	1m 58s
CI / Build Linux (gcc-9, Release)	1m 59s
CI / Build Linux (gcc-10, Debug)	1m 39s
CI / Build Linux (gcc-10, Release)	1m 35s
CI / Build Linux (gcc-11, Debug)	1m 40s
CI / Build Linux (gcc-11, Release)	1m 43s
CI / Build	1s
	1h 45m 23s

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