[CI] Build Zig, enable full Metalang99 test #109

Job	Run time
docker	1m 20s
thirdparty-tests (test_perl)	37m 39s
thirdparty-tests (test_cello)	26s
thirdparty-tests (test_curl)	10m 12s
thirdparty-tests (test_doom)	14s
thirdparty-tests (test_git)	18m 28s
thirdparty-tests (test_libpng)	2m 11s
thirdparty-tests (test_libuev)	41s
thirdparty-tests (test_lua)	36s
thirdparty-tests (test_metalang99)	51s
thirdparty-tests (test_oniguruma_jq)	1m 0s
thirdparty-tests (test_openssh)	4m 57s
thirdparty-tests (test_openssl)	17m 0s
thirdparty-tests (test_php)	7m 4s
thirdparty-tests (test_postgres)	4m 53s
thirdparty-tests (test_python)	25m 36s
thirdparty-tests (test_qbe_hare)	34s
thirdparty-tests (test_sqlite)	4m 16s
thirdparty-tests (test_tinycc)	20s
thirdparty-tests (test_toxcore)	4m 47s
thirdparty-tests (test_toybox)	1m 6s
thirdparty-tests (test_vim)	1m 54s
thirdparty-tests (test_zlib)	16s
thirdparty-tests (test_zstd)	1m 36s
thirdparty-tests (build_gcc)	10m 22s
thirdparty-tests (build_musl)	1m 32s
thirdparty-tests (build_nano)	1m 14s
thirdparty-tests (build_sdl)	1m 42s
thirdparty-tests (build_zig)	8m 45s
	2h 51m 32s

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