build(deps): bump proc-macro2 from 1.0.82 to 1.0.84 (#1612)

Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.82 to 1.0.84.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](dtolnay/proc-macro2@1.0.82...1.0.84)

---
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.toml

@@ -86,7 +86,7 @@ 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 = "1.0.82"
+proc-macro2 = "1.0.84"
 quote = "1.0.36"
 regex = { version = "1.10.4", default-features = false }
 scale-info = { version = "2.11.3", default-features = false }