Bump directories from 2.0.2 to 3.0.1 (paritytech#7609)

Bumps [directories](https://github.com/soc/directories-rs) from 2.0.2 to 3.0.1.
- [Release notes](https://github.com/soc/directories-rs/releases)
- [Commits](https://github.com/soc/directories-rs/commits)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -82,7 +82,7 @@ parity-util-mem = { version = "0.7.0", default-features = false, features = ["pr
 
 [target.'cfg(not(target_os = "unknown"))'.dependencies]
 tempfile = "3.1.0"
-directories = "2.0.2"
+directories = "3.0.1"
 
 [dev-dependencies]
 substrate-test-runtime-client = { version = "2.0.0", path = "../../test-utils/runtime/client" }