build(deps): bump filelock from 3.20.0 to 3.20.1 in /tests/http #3

Job	Run time
cygwin, CM x86_64 openssl	6m 55s
linux-mingw, CM clang-tidy	4m 59s
dl-mingw, CM 4.8.1-x86_64 schannel !examples	55s
dl-mingw, CM 7.3.0-x86_64 schannel mbedtls U	2m 19s
cygwin, AM x86_64 openssl R	8m 2s
msvc, CM x64-uwp !ssl +examples	3m 7s
msvc, CM x64-windows openssl +examples	6m 14s
msvc, CM arm64-windows schannel U	9m 3s
linux-mingw, CM gcc	48s
dl-mingw, CM 15.1.0-x86_64 schannel	2m 33s
linux-mingw, AM gcc	2m 11s
dl-mingw, CM 6.4.0-i686 schannel !unity	1m 35s
dl-mingw, CM 9.5.0-x86_64 schannel	7m 1s
mingw, AM x86_64 default XP	6m 18s
msys2, CM x86_64 default	6m 48s
mingw, CM clang-x86_64 openssl	2m 50s
msys2, AM x86_64 default R	7m 4s
mingw, CM x86_64 schannel c-ares U	8m 26s
mingw, AM x86_64 c-ares U	11m 37s
mingw, CM x86_64 schannel dev debug	2m 30s
mingw, CM ucrt-x86_64 schannel uwp	2m 40s
mingw, CM clang-aarch64 schannel R TrackMemory	2m 56s
msys2, AM x86_64 !proxy	8m 27s
msys2, AM x86_64 default	4m 58s
mingw, CM clang-x86_64 gnutls libssh	5m 25s
mingw, CM i686 schannel R	2m 15s
	2h 7m 56s

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