chore: move bl types to dev deps

Author: achingbrain

package.json

@@ -36,6 +36,7 @@
     "util": false
   },
   "devDependencies": {
+    "@types/bl": "^5.0.2",
     "aegir": "^33.1.0",
     "benchmark": "^2.1.4",
     "buffer": "^6.0.3",
@@ -51,7 +52,6 @@
     "@stablelib/hkdf": "^1.0.1",
     "@stablelib/sha256": "^1.0.1",
     "@stablelib/x25519": "^1.0.1",
-    "@types/bl": "^5.0.2",
     "debug": "^4.3.1",
     "it-buffer": "^0.1.3",
     "it-length-prefixed": "^5.0.3",