Mohammed Sohail 7ef0511f35 ci: upgrade benchstat actions, go version -> 1.21.x ...

* closes #759

Squashed commit of the following:

commit 3d94ee14aeaf9a868dbeed4b65f90ccdda1f08d6
Author: Mohammed Sohail <sohailsameja@gmail.com>
Date:   Thu Dec 7 11:49:07 2023 +0300

    ci: upgrade benchstat actions, go version -> 1.21.x

commit 129e2253118c76d640ce7dcfbcba36d562316f97
Author: angshumukherjee100 <angshumukherjee100@gmail.com>
Date:   Sun Oct 8 11:20:43 2023 +0530

    (workflow): bump go version to 1.18 in benchstat

2023-12-10 09:46:45 -08:00

..

benchstat.yml

ci: upgrade benchstat actions, go version -> 1.21.x

2023-12-10 09:46:45 -08:00

build.yml

ci: upgrade actions, lock redis version

2023-12-10 09:46:45 -08:00