[chore] update Go to 1.21, and update relevant pkgs

[saurabh100ni]

Desired Behaviour

Need to update Go to 1.21 in go.mod and in Dockerfile, and also Makefile

• Minor chore on updating meshkit and meshery-adapter-library

[welcome]

Thanks for opening this issue. A contributor will be by to give feedback soon. In the meantime, please review the Layer5 Contributors' Welcome Guide, engage in the discussion forum, and be sure to join the community Slack.

[Aayush987]

Desired Behaviour

Need to update Go to 1.21 in go.mod and in Dockerfile, and also Makefile

• Minor chore on updating meshkit and meshery-adapter-library

Hi, is this issue open? Can I work on this issue?

[sadamhussain-m]

I would like to work on this issue.

[AryanSharma9917]

Hi @saurabh100ni, could you please assign me this issue? I have already made the PR.

[saurabh100ni]

Thanks for raising PR @AryanSharma9917 , Just make sure to ask for the assignment next time and get your PR landed ^ ^