Bump proc-macro2 from 1.0.75 to 1.0.76 (#560)

Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.75 to 1.0.76.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](dtolnay/proc-macro2@1.0.75...1.0.76)

---
updated-dependencies:
- dependency-name: proc-macro2
  dependency-type: direct:production
  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

@@ -13,7 +13,7 @@ proc-macro = true
 [dependencies]
 syn = { version = "1.0.98", features = ["full", "visit"] }
 quote = "1.0.35"
-proc-macro2 = "1.0.75"
+proc-macro2 = "1.0.76"
 proc-macro-crate = "3.0.0"
 
 [dev-dependencies]