Test Python 3.6 and SCons 3.1 #724

Job	Run time
📊 Static checks / Code style, file formatting, and docs	1m 12s
🐧 Linux / Editor w/ Mono (target=editor)	4m 52s
🐧 Linux / Editor with doubles and GCC sanitizers (target=editor, tests=yes, dev_build=yes, scu_build=yes, precision=double, use_asan=yes, use_ubsan=yes, linker=gold)	4m 45s
🤖 Android / Template (target=template_release)	5m 2s
🍎 macOS / Editor (target=editor, tests=yes)	5m 1s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	4m 47s
🍎 macOS / Template (target=template_release)	4m 44s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	4m 42s
🍏 iOS / Template (target=template_release)	5m 1s
🐧 Linux / Template w/ Mono (target=template_release)	2m 8s
🌐 Web / Template w/ threads (target=template_release, threads=yes)	6m 12s
🐧 Linux / Minimal template (target=template_release, everything disabled)	4m 41s
🌐 Web / Template w/o threads (target=template_release, threads=no)	1m 55s
🏁 Windows / Editor (target=editor, tests=yes)	4m 48s
🏁 Windows / Template (target=template_release)	1s
🪲 Godot CPP	1s
	59m 52s

Provide feedback