build(deps): bump proc-macro2 from 1.0.80 to 1.0.81 (#1549)

Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.80 to 1.0.81.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](https://github.com/dtolnay/proc-macro2/compare/1.0.80...1.0.81)

---
updated-dependencies:
- dependency-name: proc-macro2
  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>

Cargo.lock

@@ -3279,9 +3279,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.80"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a56dea16b0a29e94408b9aa5e2940a4eedbd128a1ba20e8f7ae60fd3d465af0e"
+checksum = "3d1597b0c024618f09a9c3b8655b7e430397a36d23fdafec26d6965e9eec3eba"
 dependencies = [
  "unicode-ident",
 ]

Cargo.toml

@@ -87,7 +87,7 @@ jsonrpsee = { version = "0.22" }
 pretty_assertions = "1.4.0"
 primitive-types = { version = "0.12.2", default-features = false }
 proc-macro-error = "1.0.4"
-proc-macro2 = "1.0.80"
+proc-macro2 = "1.0.81"
 quote = "1.0.35"
 regex = { version = "1.10.4", default-features = false }
 scale-info = { version = "2.11.0", default-features = false }