refactor!: use named arguments if there is more than one

lib/src/bindings/odb.dart

@@ -7,13 +7,18 @@ import '../util.dart';
 /// Determine if an object can be found in the object database by an abbreviated object ID.
 ///
 /// Throws a [LibGit2Error] if error occured.
-Pointer<git_oid> existsPrefix(
-  Pointer<git_odb> db,
-  Pointer<git_oid> shortOid,
-  int len,
-) {
+Pointer<git_oid> existsPrefix({
+  required Pointer<git_odb> odbPointer,
+  required Pointer<git_oid> shortOidPointer,
+  required int length,
+}) {
   final out = calloc<git_oid>();
-  final error = libgit2.git_odb_exists_prefix(out, db, shortOid, len);
+  final error = libgit2.git_odb_exists_prefix(
+    out,
+    odbPointer,
+    shortOidPointer,
+    length,
+  );
 
   if (error < 0) {
     throw LibGit2Error(libgit2.git_error_last());