build(deps): bump github.com/apple/swift-crypto in /swift (#252)

Bumps [github.com/apple/swift-crypto](https://github.com/apple/swift-crypto) from 3.8.0 to 3.8.1.
- [Release notes](https://github.com/apple/swift-crypto/releases)
- [Commits](apple/swift-crypto@3.8.0...3.8.1)

---
updated-dependencies:
- dependency-name: github.com/apple/swift-crypto
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

swift/Package.resolved

@@ -18,13 +18,22 @@
         "version" : "1.5.0"
       }
     },
+    {
+      "identity" : "swift-asn1",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-asn1.git",
+      "state" : {
+        "revision" : "7faebca1ea4f9aaf0cda1cef7c43aecd2311ddf6",
+        "version" : "1.3.0"
+      }
+    },
     {
       "identity" : "swift-crypto",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-crypto.git",
       "state" : {
-        "revision" : "ffca28be3c9c6a86a579949d23f68818a4b9b5d8",
-        "version" : "3.8.0"
+        "revision" : "21f7878f2b39d46fd8ba2b06459ccb431cdf876c",
+        "version" : "3.8.1"
       }
     }
   ],