build(deps): bump proc-macro2 from 1.0.41 to 1.0.42 (#1843)

Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.41 to 1.0.42.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](dtolnay/proc-macro2@1.0.41...1.0.42)

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

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

Cargo.lock

@@ -1956,9 +1956,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.41"
+version = "1.0.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdcc2916cde080c1876ff40292a396541241fe0072ef928cd76582e9ea5d60d2"
+checksum = "c278e965f1d8cf32d6e0e96de3d3e79712178ae67986d9cf9151f51e95aac89b"
 dependencies = [
  "unicode-ident",
 ]