Bump syn from 1.0.74 to 1.0.75 (#3710)

Bumps [syn](https://github.com/dtolnay/syn) from 1.0.74 to 1.0.75.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/1.0.74...1.0.75)

---
updated-dependencies:
- dependency-name: syn
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

polkadot/Cargo.lock

@@ -10287,9 +10287,9 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
-version = "1.0.74"
+version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1873d832550d4588c3dbc20f01361ab00bfe741048f71e3fecf145a7cc18b29c"
+checksum = "b7f58f7e8eaa0009c5fec437aabf511bd9933e4b2d7407bd05273c01a8906ea7"
 dependencies = [
  "proc-macro2",
  "quote",

polkadot/node/overseer/all-subsystems-gen/Cargo.toml

@@ -9,7 +9,7 @@ description = "Small proc macro to create mocking level iface type helpers"
 proc-macro = true
 
 [dependencies]
-syn = { version = "1.0.60", features = ["full", "extra-traits"] }
+syn = { version = "1.0.75", features = ["full", "extra-traits"] }
 quote = "1.0.9"
 proc-macro2 = "1.0.24"
 

polkadot/node/overseer/overseer-gen/proc-macro/Cargo.toml

@@ -12,7 +12,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 proc-macro = true
 
 [dependencies]
-syn = { version = "1.0.60", features = ["full", "extra-traits"] }
+syn = { version = "1.0.75", features = ["full", "extra-traits"] }
 quote = "1.0.9"
 proc-macro2 = "1.0.26"
 proc-macro-crate = "1.0.0"

polkadot/xcm/procedural/Cargo.toml

@@ -10,4 +10,4 @@ proc-macro = true
 [dependencies]
 proc-macro2 = "1.0.28"
 quote = "1.0.9"
-syn = "1.0.74"
+syn = "1.0.75"