Changed taskExec to use symfony process placeholders#1038

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Alenore wants to merge 5 commits intoconsolidation:3.xfrom Alenore:exec_placeholder

+125-117

Commits on Jul 7, 2021

Changed taskExec to use symfony process placeholders
Muller Sebastien
committed
Fix addArgument access modifier
Sebastien Muller
committed
Restore CommandArguments escape() method with a deprecated doc
Sebastien Muller
committed
Fix static method
Sebastien Muller
committed

Commits on Jul 8, 2021

Restored escape() previous behaviour
Sebastien Muller
committed