chore(deps): update rust crate syn to v3.0.6

Cargo.lock

@@ -479,7 +479,7 @@ checksum = "e7a5d71263a5a7d47b41f6b3f06ba276f10cc18b0931f1799f710578e2309348"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.4",
+ "syn 3.0.6",
 ]
 
 [[package]]
@@ -575,9 +575,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "3.0.4"
+version = "3.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6275cddf4610d1775e6d1fe9469b2e77d0f39fd98fb7450901b821e0c53649f"
+checksum = "8593e8e72159ed2257d083c7a454a85cbf854f37a0966d8d483aff8c8a3ebcee"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -616,7 +616,7 @@ checksum = "bc04cd3e1236dd4a98afca4569f2deb3f120e5422a4023be2cb683f8486292af"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.4",
+ "syn 3.0.6",
 ]
 
 [[package]]
@@ -679,7 +679,7 @@ version = "0.1.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.4",
+ "syn 3.0.6",
  "trybuild",
 ]