chore: Move lint configuration from `.cargo/config.toml` to `Cargo.toml`

This got stabilized in Rust 1.74.

.cargo/config.toml

@@ -4,20 +4,4 @@ rustflags = [
     # We need to specify this flag for all targets because Clippy checks all of our code against all targets
     # and our web code does not compile without this flag
     "--cfg=web_sys_unstable_apis",
-
-    # CLIPPY LINT SETTINGS
-    # This is a workaround to configure lints for the entire workspace, pending the ability to configure this via TOML.
-    # See: https://github.com/rust-lang/cargo/issues/5034
-    #      https://github.com/EmbarkStudios/rust-ecosystem/issues/22#issuecomment-947011395
-    # TODO: Move these to the root Cargo.toml once support is merged and stable
-    # See: https://github.com/rust-lang/cargo/pull/12148
-
-    # Clippy nightly often adds new/buggy lints that we want to ignore.
-    # Don't warn about these new lints on stable.
-    "-Arenamed_and_removed_lints",
-    "-Aunknown_lints",
-
-    # LONG-TERM: These lints are unhelpful.
-    "-Aclippy::manual_map",                  # Less readable: Suggests `opt.map(..)` instsead of `if let Some(opt) { .. }`
-    "-Aclippy::manual_range_contains",       # Less readable: Suggests `(a..b).contains(n)` instead of `n >= a && n < b`
 ]

Cargo.toml

@@ -49,6 +49,17 @@ naga_oil = "0.11.0"
 wgpu = "0.18.0"
 egui = "0.24.1"
 
+[workspace.lints.rust]
+# Clippy nightly often adds new/buggy lints that we want to ignore.
+# Don't warn about these new lints on stable.
+renamed_and_removed_lints = "allow"
+unknown_lints = "allow"
+
+[workspace.lints.clippy]
+# LONG-TERM: These lints are unhelpful.
+manual_map = "allow"             # Less readable: Suggests `opt.map(..)` instsead of `if let Some(opt) { .. }`
+manual_range_contains = "allow"  # Less readable: Suggests `(a..b).contains(n)` instead of `n >= a && n < b`
+
 # Don't optimize build scripts and macros.
 [profile.release.build-override]
 opt-level = 0