Bump bazelbuild/setup-bazelisk from 2 to 3 (#1459) #1617

Job	Run time
Bazel	5m 16s
ASAN	5m 51s
Test Big Endian	9m 29s
macOS	14m 6s
UBSAN	6m 4s
Windows 2019 (Generator: MinGW Makefiles, Shared Library: true)	18m 46s
Windows 2019 (Generator: MinGW Makefiles, Shared Library: false)	18m 37s
Ubuntu 18.04 (Build: Debug, Compilers: gcc-6/g++-6, Shared Library: true)	10m 20s
Windows 2019 (Generator: Visual Studio 16 2019, Shared Library: true)	8m 53s
Windows 2019 (Generator: Visual Studio 16 2019, Shared Library: false)	8m 56s
Ubuntu 18.04 (Build: Debug, Compilers: clang-6.0/clang++-6.0, Shared Library: true)	9m 10s
Ubuntu 18.04 (Build: Debug, Compilers: clang-6.0/clang++-6.0, Shared Library: false)	9m 4s
Ubuntu 18.04 (Build: Release, Compilers: gcc-6/g++-6, Shared Library: true)	15m 5s
Ubuntu 18.04 (Build: Release, Compilers: gcc-6/g++-6, Shared Library: false)	15m 8s
Ubuntu 18.04 (Build: Release, Compilers: clang-6.0/clang++-6.0, Shared Library: true)	13m 49s
Ubuntu 18.04 (Build: Release, Compilers: clang-6.0/clang++-6.0, Shared Library: false)	13m 50s
	3h 2m 24s

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