action #117118

Updated by szarate over 1 year ago

As a follow up to 

 Since we're having multiple styles of coding and tools, often we end up with a mix, and in the case of grep, it seems that the time for unification has arrived: 

 `fgrep` and `egrep` are now deprecated, so to avoid warnings, we should switch to using extended mode,  

 #### Acceptance criteria 

 1. Style checks `t/01_style.t` also verify that neither egrep nor fgrep are being used. 
 1. RFC to with the above rule in has been created (Or merged in case [os-autoinst-distri-opensuse#15547]( has been already merged) merged. 

 #### Suggestions 

 Evaluate how #96675 was done