println var inline to make nightly clippy happy

bpf/aya-bpf-bindings/build.rs

@@ -3,10 +3,10 @@ use std::env;
 fn main() {
     println!("cargo:rerun-if-env-changed=CARGO_CFG_BPF_TARGET_ARCH");
     if let Ok(arch) = env::var("CARGO_CFG_BPF_TARGET_ARCH") {
-        println!("cargo:rustc-cfg=bpf_target_arch=\"{}\"", arch);
+        println!("cargo:rustc-cfg=bpf_target_arch=\"{arch}\"");
     } else {
         let arch = env::var("HOST").unwrap();
         let arch = arch.split_once('-').map_or(&*arch, |x| x.0);
-        println!("cargo:rustc-cfg=bpf_target_arch=\"{}\"", arch);
+        println!("cargo:rustc-cfg=bpf_target_arch=\"{arch}\"");
     }
 }

bpf/aya-bpf-cty/build.rs

@@ -3,10 +3,10 @@ use std::env;
 fn main() {
     println!("cargo:rerun-if-env-changed=CARGO_CFG_BPF_TARGET_ARCH");
     if let Ok(arch) = env::var("CARGO_CFG_BPF_TARGET_ARCH") {
-        println!("cargo:rustc-cfg=bpf_target_arch=\"{}\"", arch);
+        println!("cargo:rustc-cfg=bpf_target_arch=\"{arch}\"");
     } else {
         let arch = env::var("HOST").unwrap();
         let arch = arch.split_once('-').map_or(&*arch, |x| x.0);
-        println!("cargo:rustc-cfg=bpf_target_arch=\"{}\"", arch);
+        println!("cargo:rustc-cfg=bpf_target_arch=\"{arch}\"");
     }
 }