cargo: bump the cargo-dependencies group with 2 updates

Bumps the cargo-dependencies group with 2 updates: [insta](https://github.com/mitsuhiko/insta) and [syn](https://github.com/dtolnay/syn).


Updates `insta` from 1.41.1 to 1.42.0
- [Release notes](https://github.com/mitsuhiko/insta/releases)
- [Changelog](https://github.com/mitsuhiko/insta/blob/master/CHANGELOG.md)
- [Commits](mitsuhiko/insta@1.41.1...1.42.0)

Updates `syn` from 2.0.94 to 2.0.95
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](dtolnay/syn@2.0.94...2.0.95)

---
updated-dependencies:
- dependency-name: insta
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: cargo-dependencies
- dependency-name: syn
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: cargo-dependencies
...

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

Cargo.toml

@@ -68,7 +68,7 @@ hex = "0.4.3"
 ignore = "0.4.23"
 indexmap = { version = "2.7.0", features = ["serde"] }
 indoc = "2.0.4"
-insta = { version = "1.41.1", features = ["filters"] }
+insta = { version = "1.42.0", features = ["filters"] }
 itertools = "0.13.0"
 libc = { version = "0.2.169" }
 maplit = "1.0.2"
@@ -102,7 +102,7 @@ smallvec = { version = "1.13.2", features = [
     "union",
 ] }
 strsim = "0.11.1"
-syn = "2.0.94"
+syn = "2.0.95"
 tempfile = "3.15.0"
 test-case = "3.3.1"
 textwrap = "0.16.1"