cmake: Bump minimum required CMake version to 3.22 #1675
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Ubuntu 20.04 LTS has reached the end of standard support. There no longer appear to be compelling reasons to maintain compatibility with CMake 3.16. The new suggested minimum, CMake 3.22, is shipped with Ubuntu 22.04 LTS, which is supported until April 2027. This change also introduces new CMake policies, from CMP0098 to CMP0128.
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Ubuntu 20.04 LTS has reached the End of Standard Support. There no longer appear to be compelling reasons to maintain compatibility with CMake 3.16.
The new suggested minimum, CMake 3.22, is shipped with Ubuntu 22.04 LTS, which is supported until April 2027.
This PR also introduces new CMake policies, from CMP0098 to CMP0128. Some of these may warrant the reviewers' attention: