Beta Branch make PHP_PGO='y' available on initial installs in 123.09beta01

make PHP_PGO='y' available on initial installs in 123.09beta01

- PHP_PGO='y' to date only enabled profile guided optimisations for PHP 7+ when 2 or more cpu cores/threads were detected for php upgrade routines via centmin.sh menu option 5. PHP_PGO='y' wasn't enabled for initial centmin mod 123.09beta01 installs. This update enables it for initial installs too when PHP_PGO='y' was set in persistent config file /etc/centminmod/custom_config.inc prior to running centmin mod 123.09beta01 with PHP 7.0, 7.1, 7.2 or 7.3 default installers.
- PHP_PGO='y' can increase the time it takes to compile PHP 7+ - can take 2-5x times longer to compile depending on speed of your server and how many cpu core/threads you have. But the resulting PHP 7 binaries can be between 5-25% faster for some PHP code paths and work loads from benchmarks PHP - PHP 7.3 vs 7.2 vs 7.1 vs 7.0 (PHP-FPM) Benchmarks.

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123.09beta01 branch

• Branch: centminmod/centminmod
• Commit History: centminmod/centminmod