Bump ring from 0.16.14 to 0.16.15 (#144)

Bumps [ring](https://github.com/briansmith/ring) from 0.16.14 to 0.16.15.
- [Release notes](https://github.com/briansmith/ring/releases)
- [Commits](https://github.com/briansmith/ring/commits)

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

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

Cargo.lock

@@ -606,9 +606,9 @@ checksum = "26412eb97c6b088a6997e05f69403a802a92d520de2f8e63c2b65f9e0f47c4e8"
 
 [[package]]
 name = "ring"
-version = "0.16.14"
+version = "0.16.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06b3fefa4f12272808f809a0af618501fdaba41a58963c5fb72238ab0be09603"
+checksum = "952cd6b98c85bbc30efa1ba5783b8abf12fec8b3287ffa52605b9432313e34e4"
 dependencies = [
  "cc",
  "libc",

Cargo.toml

@@ -50,7 +50,7 @@ zeroize = "1"
 
 [dev-dependencies]
 env_logger = "0.7"
-ring = "0.16.13"
+ring = "0.16.15"
 lazy_static = "1"
 
 [features]