Bump the minor-changes group across 1 directory with 3 updates

Bumps the minor-changes group with 3 updates in the / directory: [secrecy](https://github.com/iqlusioninc/crates), [insta](https://github.com/mitsuhiko/insta) and [serde](https://github.com/serde-rs/serde).


Updates `secrecy` from 0.8.0 to 0.10.1
- [Commits](iqlusioninc/crates@secrecy/v0.8.0...secrecy/v0.10.1)

Updates `insta` from 1.39.0 to 1.40.0
- [Release notes](https://github.com/mitsuhiko/insta/releases)
- [Changelog](https://github.com/mitsuhiko/insta/blob/master/CHANGELOG.md)
- [Commits](mitsuhiko/insta@1.39.0...1.40.0)

Updates `serde` from 1.0.204 to 1.0.210
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.204...v1.0.210)

---
updated-dependencies:
- dependency-name: secrecy
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor-changes
- dependency-name: insta
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor-changes
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minor-changes
...

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

Cargo.toml

@@ -18,7 +18,7 @@ repository = "https://github.com/slowli/secret-tree"
 # Public dependencies (present in the API exposed by the crate).
 rand_core = { version = "0.6.4", default-features = false }
 rand_chacha = { version = "0.3.0", default-features = false }
-secrecy = { version = "0.8.0", default-features = false }
+secrecy = { version = "0.10.1", default-features = false }
 
 # Private dependencies.
 blake2 = { version = "0.10.0", default-features = false }
@@ -28,7 +28,7 @@ const-decoder = "0.3.0"
 doc-comment = "0.3.3"
 ed25519 = { package = "ed25519-dalek", version = "2" }
 hex = "0.4.2"
-insta = { version = "1.39.0", features = ["yaml"] }
+insta = { version = "1.40.0", features = ["yaml"] }
 rand = "0.8"
 serde = { version = "1.0", features = ["derive"] }
 toml = "0.8.2"