Bump proc-macro2 from 1.0.101 to 1.0.103

Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.101 to 1.0.103.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](dtolnay/proc-macro2@1.0.101...1.0.103)

---
updated-dependencies:
- dependency-name: proc-macro2
  dependency-version: 1.0.103
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Cargo.lock

@@ -28,7 +28,7 @@ authors = [
 [dependencies]
 quote = "1.0.41"
 syn = {version = "2.0.108", features = ["full", "extra-traits"]}
-proc-macro2 = "1.0.101"
+proc-macro2 = "1.0.103"
 
 [lib]
 name = "googletest_macro"