[ArrowStringArray] use pyarrow string trimming functions if available
```
[ 27.78%] ··· strings.Methods.time_lstrip                                                                                                                 ok
[ 27.78%] ··· ============== ==========
                  dtype                
              -------------- ----------
                   str        22.7±0ms 
                  string      16.4±0ms 
               arrow_string   1.71±0ms 
              ============== ==========


[ 38.89%] ··· strings.Methods.time_rstrip                                                                                                                 ok
[ 38.89%] ··· ============== ==========
                  dtype                
              -------------- ----------
                   str        19.7±0ms 
                  string      13.9±0ms 
               arrow_string   1.71±0ms 
              ============== ==========


[ 43.06%] ··· strings.Methods.time_strip                                                                                                                  ok
[ 43.06%] ··· ============== ==========
                  dtype                
              -------------- ----------
                   str        18.9±0ms 
                  string      14.6±0ms 
               arrow_string   1.64±0ms 
              ============== ==========

```