Add a shader compilation step to GPUI's build process (#23862)

This PR prevents situations like
https://github.com/zed-industries/zed/pull/23850, which caused our linux
nightly build to fail to open at all.

This PR also sorts the GPUI build and dev dependencies out from the sea
of platform specific dependencies.

Release Notes:

- N/A

Cargo.lock

@@ -5435,6 +5435,7 @@ dependencies = [
  "lyon",
  "media",
  "metal",
+ "naga",
  "num_cpus",
  "objc",
  "objc2",
@@ -7091,7 +7092,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc2f4eb4bc735547cfed7c0a4922cbd04a4655978c09b54f1f7b228750664c34"
 dependencies = [
  "cfg-if",
- "windows-targets 0.48.5",
+ "windows-targets 0.52.6",
 ]
 
 [[package]]