Bump vergen from 3.0.4 to 3.1.0 (paritytech#32)

Bumps [vergen](https://github.com/rustyhorde/vergen) from 3.0.4 to 3.1.0.
- [Release notes](https://github.com/rustyhorde/vergen/releases)
- [Commits](https://github.com/rustyhorde/vergen/commits/v3.1.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

bridges/bin/node/node/Cargo.toml

@@ -99,7 +99,7 @@ rev = "2afecf81ee19b8a6edb364b419190ea47c4a4a31"
 git = "https://github.com/paritytech/substrate.git"
 
 [build-dependencies]
-vergen = "3.0.4"
+vergen = "3.1.0"
 
 [build-dependencies.build-script-utils]
 package = "substrate-build-script-utils"