Tests: fix clippy

Author: Firestar99

crates/cargo-gpu/src/lib.rs

@@ -170,6 +170,7 @@ pub struct Cli {
 /// may fail if we can't find the user home directory
 #[inline]
 #[cfg(not(test))]
+#[expect(clippy::cfg_not_test, reason = "tests use different cache_dir")]
 pub fn cache_dir() -> anyhow::Result<std::path::PathBuf> {
     use anyhow::Context as _;
     Ok(directories::BaseDirs::new()

crates/cargo-gpu/src/spirv_source.rs

@@ -48,10 +48,6 @@ pub enum SpirvSource {
 }
 
 impl core::fmt::Display for SpirvSource {
-    #[expect(
-        clippy::min_ident_chars,
-        reason = "It's a core library trait implementation"
-    )]
     fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
         match self {
             Self::CratesIO(version) => version.fmt(f),