Bump proc-macro2 from 1.0.40 to 1.0.43 (#5878)

Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.40 to 1.0.43.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](https://github.com/dtolnay/proc-macro2/compare/1.0.40...1.0.43)

---
updated-dependencies:
- dependency-name: proc-macro2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

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

polkadot/Cargo.lock

@@ -7662,9 +7662,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.40"
+version = "1.0.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd96a1e8ed2596c337f8eae5f24924ec83f5ad5ab21ea8e455d3566c69fbcaf7"
+checksum = "0a2ca2c61bc9f3d74d2886294ab7b9853abd9c1ad903a3ac7815c58989bb7bab"
 dependencies = [
  "unicode-ident",
 ]

polkadot/node/gum/proc-macro/Cargo.toml

@@ -14,7 +14,7 @@ proc-macro = true
 [dependencies]
 syn = { version = "1.0.95", features = ["full", "extra-traits"] }
 quote = "1.0.20"
-proc-macro2 = "1.0.40"
+proc-macro2 = "1.0.43"
 proc-macro-crate = "1.1.3"
 expander = "0.0.6"
 

polkadot/node/orchestra/proc-macro/Cargo.toml

@@ -16,7 +16,7 @@ proc-macro = true
 [dependencies]
 syn = { version = "1.0.95", features = ["full", "extra-traits"] }
 quote = "1.0.20"
-proc-macro2 = "1.0.40"
+proc-macro2 = "1.0.43"
 proc-macro-crate = "1.1.3"
 expander = { version = "0.0.6", default-features = false }
 petgraph = "0.6.0"

polkadot/xcm/procedural/Cargo.toml

@@ -8,7 +8,7 @@ edition = "2021"
 proc-macro = true
 
 [dependencies]
-proc-macro2 = "1.0.40"
+proc-macro2 = "1.0.43"
 quote = "1.0.20"
 syn = "1.0.95"
 Inflector = "0.11.4"