Updated the LICENSE files for C/Python 8.0.29 release

Skip TLS tests for macOS 12

ET#72390: Hide all symbols except 'PyInit__mysqlxpb' in "_mysqlxpb" o…

…n macOS

Loading multiple binary Python plugins linked statically to different
versions of the Protobuf library, caused crashes on macOS. By hiding
all symbols except the initialization function, this is avoided.

Fix --byte-code-only argument on Solaris

Prepare release 8.0.25

Fix MacOS wheels platform tag

Updated readme for 8.0.23

Additional Deb build changes partly related to WL#13985

 - Use "Architecture: any" in "control" to get architecture
   "amd64" or "i386" in package names
 - Test if BYTE_CODE_ONLY is empty or not as condition,
   not a specific value in "rules"
 - Use a separate variable "BYTE_CODE_ONLY_OPT" in "rules"
   that conditionally is set to "--byte-code-only" if
   BYTE_CODE_ONLY is set in the environment

Update Protobuf version to >=3.0.0 in requirements

Update CPYINT revision