Log Message:
Update to 0.74

Upstream changes:
0.74 2021-10-24
    * Restore compatibility with Perl 5.8.x

0.73 2021-10-22
    * Actually allow sub-second delays for the "request_pause" option

0.72 2021-10-21
    * Introduce the "request_pause" option to adjust the pause between \ 
requests.
      Depending on the UA under test, the default of 1 second may slow down
      testing too much, or may be necessary.