Bump test-case from 2.1.0 to 2.2.1

Bumps [test-case](https://github.com/frondeus/test-case) from 2.1.0 to 2.2.1.
- [Release notes](https://github.com/frondeus/test-case/releases)
- [Changelog](https://github.com/frondeus/test-case/blob/master/CHANGELOG.md)
- [Commits](https://github.com/frondeus/test-case/compare/v2.1.0...v2.2.1)

---
updated-dependencies:
- dependency-name: test-case
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Cargo.lock

@@ -634,18 +634,18 @@ dependencies = [
 
 [[package]]
 name = "test-case"
-version = "2.1.0"
+version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "196e8a70562e252cc51eaaaee3ecddc39803d9b7fd4a772b7c7dae7cdf42a859"
+checksum = "07aea929e9488998b64adc414c29fe5620398f01c2e3f58164122b17e567a6d5"
 dependencies = [
  "test-case-macros",
 ]
 
 [[package]]
 name = "test-case-macros"
-version = "2.1.0"
+version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8dd461f47ade621665c9f4e44b20449341769911c253275dc5cb03726cbb852c"
+checksum = "c95968eedc6fc4f5c21920e0f4264f78ec5e4c56bb394f319becc1a5830b3e54"
 dependencies = [
  "cfg-if",
  "proc-macro-error",

Cargo.toml

@@ -73,7 +73,7 @@ jemallocator = {version = "0.5.0", optional = true}
 diff = "0.1"
 tempdir = "0.3"
 filetime = "0.2"
-test-case = "2.0"
+test-case = "2.2"
 
 [profile.release]
 lto = true