[READY] Upgrade completers #704

Job	Run time
C++ Lint	6m 7s
Windows MSVC 17 x64 - C++ Benchmark	3m 51s
ubuntu-20.04 - C++ Benchmark	2m 5s
Windows MSVC 17 x64 - test run	5m 53s
ubuntu-20.04 - test run	19m 8s
Windows MSVC 17 x86 - test run	37m 51s
macos-12 - C++ Benchmark	2m 9s
Windows MSVC 16 x64 - test run	35m 9s
macos-12 - test run	23m 12s
ubuntu-20.04 - with Clang compiler - test run	19m 7s
ubuntu-20.04 - without libclang completer - test run	20m 15s
	2h 54m 47s

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