Dev bump (w/ types key in export map) (#253)

package.json

@@ -30,7 +30,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.16.5",
-    "@polkadot/dev": "^0.64.13",
+    "@polkadot/dev": "^0.64.15",
     "fflate": "^0.7.2",
     "override-require": "^1.1.1"
   },

yarn.lock

@@ -1853,9 +1853,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/dev@npm:^0.64.13":
-  version: 0.64.13
-  resolution: "@polkadot/dev@npm:0.64.13"
+"@polkadot/dev@npm:^0.64.15":
+  version: 0.64.15
+  resolution: "@polkadot/dev@npm:0.64.15"
   dependencies:
     "@babel/cli": ^7.16.0
     "@babel/core": ^7.16.5
@@ -1940,7 +1940,7 @@ __metadata:
     polkadot-exec-rollup: scripts/polkadot-exec-rollup.mjs
     polkadot-exec-tsc: scripts/polkadot-exec-tsc.mjs
     polkadot-exec-webpack: scripts/polkadot-exec-webpack.mjs
-  checksum: f6b11e40be09fd9a668d56eed5f329f6f7c554eea5e74ae90050d28eba121a9a7d9a8031e8a19f0767e0f0013bb4cac50b0293186f3f10d209a8bc3e0d59743b
+  checksum: 4f866be68acf54d36a7428e6a05d698b51d7db5409e64a72a59bae3f11794fb3a44639054fe06dc052533c8df4eec8a21ae70dd490310c31dfe1990437555a0c
   languageName: node
   linkType: hard
 
@@ -8397,7 +8397,7 @@ resolve@^2.0.0-next.3:
   resolution: "root-workspace-0b6124@workspace:."
   dependencies:
     "@babel/core": ^7.16.5
-    "@polkadot/dev": ^0.64.13
+    "@polkadot/dev": ^0.64.15
     fflate: ^0.7.2
     override-require: ^1.1.1
   languageName: unknown