Update version_check to 0.9.

Cargo.toml

@@ -23,4 +23,4 @@ example_generated = []
 backtrace = { version = "0.3.3", optional = true }
 
 [build-dependencies]
-version_check = "0.1.5"
+version_check = "0.9"

build.rs

@@ -5,8 +5,7 @@ use version_check::is_min_version;
 fn main() {
     // Switch on for versions that have Error::source
     // As introduced by https://github.com/rust-lang/rust/pull/53533
-    if is_min_version("1.30").map(|(is_high_enough, _actual_version)| is_high_enough).unwrap_or(false)
-    {
+    if is_min_version("1.30").unwrap_or(false) {
         println!("cargo:rustc-cfg=has_error_source");
     }
 }