Update prettyplease requirement from =0.2.34 to =0.2.37

Updates the requirements on [prettyplease](https://github.com/dtolnay/prettyplease) to permit the latest version.
- [Release notes](https://github.com/dtolnay/prettyplease/releases)
- [Commits](dtolnay/prettyplease@0.2.34...0.2.37)

---
updated-dependencies:
- dependency-name: prettyplease
  dependency-version: 0.2.37
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.toml

@@ -117,7 +117,7 @@ optional = true
 svd2rust = { version = "=0.37.0", default-features = false }
 svdtools = { version = "=0.5.0", default-features = false }
 atdf2svd = { version = "=0.5.1", default-features = false }
-prettyplease = "=0.2.34"
+prettyplease = "=0.2.37"
 svd-rs = { version = "=0.14.12", default-features = false }
 yaml-rust2 = { version = "=0.10.2", default-features = false }
 syn = { version = "=2.0.106", default-features = false, features = ["full", "parsing"] }