Fix clippy warnings

Author: sosthene-nitrokey

tests/basics.rs

@@ -406,7 +406,7 @@ mod generics {
         option: Option<u8>,
     }
 
-    fn const_generics_example<'a>() -> WithConstGeneric<3> {
+    fn const_generics_example() -> WithConstGeneric<3> {
         WithConstGeneric {
             data: ByteArray::new([1, 2, 3]),
             option: None,
@@ -471,7 +471,7 @@ mod generics {
 
     #[test]
     fn all_generics() {
-        const SERIALIZED_ALL_GENERIC_EXAMPLE: &'static [u8] = b"\xa4\x01\x82\x63\x61\x62\x63\x65\x61\x63\x64\x65\x66\x02\x83\x01\x02\x03\x03\x45\x62\x79\x74\x65\x73\x04\x43\x31\x32\x33";
+        const SERIALIZED_ALL_GENERIC_EXAMPLE: & [u8] = b"\xa4\x01\x82\x63\x61\x62\x63\x65\x61\x63\x64\x65\x66\x02\x83\x01\x02\x03\x03\x45\x62\x79\x74\x65\x73\x04\x43\x31\x32\x33";
         let data = all_generics_example();
         let mut buf = [0u8; 64];
         let size = cbor_serialize(&data, &mut buf).unwrap();