update servicepoint, simplify copy_raw

Cargo.lock

@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "adler2"
@@ -425,9 +425,9 @@ dependencies = [
 
 [[package]]
 name = "servicepoint"
-version = "0.14.1"
+version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6bd5cfa49c73aeecb344680ffbf697abf73e0563a441b93b9723ae43867500f"
+checksum = "91a33bff7f9db5008748b23ca0c906c276fe00694390b681f004a55968a42cfe"
 dependencies = [
  "bitvec",
  "bzip2",
@@ -441,7 +441,7 @@ dependencies = [
 
 [[package]]
 name = "servicepoint_binding_uniffi"
-version = "0.13.1"
+version = "0.15.0"
 dependencies = [
  "servicepoint",
  "thiserror 2.0.11",