chore: force release v1.2.3 #1321

Job	Run time
Bazel	4m 33s
Test Big Endian	7m 38s
macOS	15m 14s
Ubuntu 18.04 (Build: Debug, Compilers: gcc-6/g++-6, Shared Library: true)	8m 12s
Ubuntu 18.04 (Build: Debug, Compilers: clang-6.0/clang++-6.0, Shared Library: true)	7m 36s
Windows 2019 (Generator: MinGW Makefiles, Shared Library: true)	14m 6s
Ubuntu 18.04 (Build: Debug, Compilers: clang-6.0/clang++-6.0, Shared Library: false)	10m 9s
Windows 2019 (Generator: MinGW Makefiles, Shared Library: false)	17m 34s
Ubuntu 18.04 (Build: Release, Compilers: gcc-6/g++-6, Shared Library: true)	12m 30s
Windows 2019 (Generator: Visual Studio 16 2019, Shared Library: true)	8m 40s
Ubuntu 18.04 (Build: Release, Compilers: gcc-6/g++-6, Shared Library: false)	14m 18s
Windows 2019 (Generator: Visual Studio 16 2019, Shared Library: false)	7m 5s
Ubuntu 18.04 (Build: Release, Compilers: clang-6.0/clang++-6.0, Shared Library: true)	10m 59s
Ubuntu 18.04 (Build: Release, Compilers: clang-6.0/clang++-6.0, Shared Library: false)	9m 28s
	2h 28m 2s

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