Add build time #127

Job	Run time
android / build_android (Release, android_arm64_v8a, 6.5.1)	3m 58s
android / build_android (Release, android_armv7, 6.5.1)	4m 13s
android / build_android (Release, android_x86_64, 6.5.1)	3m 58s
mingw / build_mingw (Release)	9m 52s
mingw / build_mingw (Debug)	10m 6s
msvc / build_msvc (Release, 6.5.1)	2m 59s
msvc / build_msvc (Release, 5.15.2)	2m 43s
msvc / build_msvc (Release, 5.12.12)	3m 3s
msvc / build_msvc (Debug, 6.5.1)	3m 3s
msvc / build_msvc (Debug, 5.15.2)	2m 59s
msvc / build_msvc (Debug, 5.12.12)	3m 2s
macos / build_macos (Release, 6.5.1, clang_64)	1s
macos / build_macos (Release, 5.15.2, clang_64)	2m 12s
macos / build_macos (Release, 5.12.12, clang_64)	4m 2s
macos / build_macos (Debug, 6.5.1, clang_64)	5m 24s
macos / build_macos (Debug, 5.15.2, clang_64)	5m 57s
macos / build_macos (Debug, 5.12.12, clang_64)	5m 23s
ubuntu / build_ubuntu (Release)	4m 37s
ubuntu / build_ubuntu (Debug)	4m 46s
deploy	1s
	1h 22m 19s

Provide feedback