ci: Update cargo clippy to 1.89 (#1433)

Author: caspermeijn

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ permissions:
 
 env:
   PROTOC_VERSION: "3.25.3"
-  clippy_rust_version: "1.87"
+  clippy_rust_version: "1.89"
 
 jobs:
   # Depends on all actions that are required for a "successful" CI run.

prost-build/Cargo.toml

@@ -39,3 +39,5 @@ env_logger = { version = "0.11", default-features = false }
 [lints.clippy]
 # This lint has MSRV 1.86
 io_other_error = "allow"
+# This lint has MSRV 1.88
+collapsible_if = "allow"

prost-derive/Cargo.toml

@@ -18,3 +18,7 @@ itertools = ">=0.10.1, <=0.14"
 proc-macro2 = "1.0.60"
 quote = "1"
 syn = { version = "2", features = ["extra-traits"] }
+
+[lints.clippy]
+# This lint has MSRV 1.88
+collapsible_if = "allow"

prost-types/Cargo.toml

@@ -27,3 +27,7 @@ proptest = "1"
 
 [lints.rust]
 unexpected_cfgs = { level = "warn", check-cfg = ['cfg(kani)'] }
+
+[lints.clippy]
+# This lint has MSRV 1.88
+collapsible_if = "allow"