🐛 BUG: CLI options --var and --define remove all colons from values

[davemurphysf]

What version of Wrangler are you using?

2.0.29

What operating system are you using?

Mac

Describe the Bug

If you pass a value with a colon in --var (or --define based on the code), the colon will be removed when used.

Relevant PR: #1730 Problematic code: https://github.com/cloudflare/wrangler2/blob/893830aaea4391f4b25841132c3cb0ab5d967c60/packages/wrangler/src/index.tsx#L582

const cliVars =
  args.var?.reduce<Record<string, string>>((collectVars, v) => {
	  const [key, ...value] = v.split(":");
	  collectVars[key] = value.join("");
	  return collectVars;
  }, {}) || {};

Calling .split(":") removes all of the colons from the value. For example, a URL will turn from this https://www.cloudflare.com, into https//www.cloudflare.com thus making it not a URL anymore :-(