Update flake.lock

This required removing an extension from vscode because it didn't build. I could of just added an explicit buildExtension, but I figured it wasn't worth the hassle and just did it like this.

I also made a workaround to telescope not building (due to rockspec not building, see https://github.com/NixOS/nixpkgs/pull/133785).

Created by  awesomearvinder  on August 14, 2021
LCU2Y6NLRNRKR4R2YHQH5G6LJXG4UZZOMFEV7C5B2BDQPC45E5YAC
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