build(deps): bump vergen from 5.1.2 to 5.1.6

Bumps [vergen](https://github.com/rustyhorde/vergen) from 5.1.2 to 5.1.6.
- [Release notes](https://github.com/rustyhorde/vergen/releases)
- [Commits](https://github.com/rustyhorde/vergen/compare/5.1.2...5.1.6)

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

Cargo.lock

@@ -4052,9 +4052,9 @@ checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
 
 [[package]]
 name = "vergen"
-version = "5.1.5"
+version = "5.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "adf0b57f76a4f7e9673db1e7ffa4541d215ae8336fee45f5c1378bdeb22a0314"
+checksum = "2e353cf382b185d9c8d2cfe916a0f90ffddd365856d04b541d1adb493f6d04b5"
 dependencies = [
  "anyhow",
  "cfg-if 1.0.0",

zebrad/Cargo.toml

@@ -48,7 +48,7 @@ sentry = { version = "0.21.0", default-features = false, features = ["backtrace"
 sentry-tracing = { git = "https://github.com/kellpossible/sentry-tracing.git", rev = "f1a4a4a16b5ff1022ae60be779eb3fb928ce9b0f" }
 
 [build-dependencies]
-vergen = { version = "5.1.4", default-features = false, features = ["cargo", "git"] }
+vergen = { version = "5.1.6", default-features = false, features = ["cargo", "git"] }
 
 [dev-dependencies]
 abscissa_core = { version = "0.5", features = ["testing"] }