add Cargo.lock to CI-rustc allowed list for non-CI env

Signed-off-by: onur-ozkan <[email protected]>

Author: onur-ozkan

src/bootstrap/src/core/config/config.rs

@@ -69,6 +69,11 @@ pub const RUSTC_IF_UNCHANGED_ALLOWED_PATHS: &[&str] = &[
     ":!src/rustdoc-json-types",
     ":!tests",
     ":!triagebot.toml",
+    // If not running on CI, this is generally safe because changes to dependencies usually
+    // involve modifying `Cargo.toml`, which would invalidate the CI-rustc cache on non-allowed paths anyway.
+    // Also, for non-CI environments, this should be completely safe.
+    #[cfg(not(ci))]
+    ":!Cargo.lock",
 ];
 
 /// Global configuration for the entire build and/or bootstrap.