Chores: move Mac OS CI tests to nightly basis #8370

Job	Run time
Backward Compatibility	55s
Protobuf Backward Compatibility	20s
Cargo Nextest (Linux)	56s
Cargo Nextest (Linux Nightly)	1s
Sanity Checks	1s
Database Migration	52s
Cargo Deny	33s
Cargo Clippy	56s
Cargo Fmt	25s
Non-default Configuration Builds	53s
Themis	45s
Unused Dependencies	1s
Rust Doctests	1s
Protocol Schema	52s
Genesis Changes	1s
Style	39s
Upgradability	1s
Cargo Audit	21s
Windows check for building public libraries	45s
Generate Coverage Artifact	1s
Upload Coverage	1s
	9m 20s

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