contracts-bedrock: fix typechain export

The `package.json` defines the files that are included
in the `npm` package, the previous glob did not match
all of the typechain artifacts.

.changeset/wet-suns-develop.md

+---
+'@eth-optimism/contracts-bedrock': patch
+---
+
+Fix typechain exports

packages/contracts-bedrock/package.json

@@ -8,7 +8,7 @@
   "files": [
     "dist/**/*.js",
     "dist/**/*.d.ts",
-    "dist/types/*.ts",
+    "dist/types/**/*.ts",
     "artifacts/contracts/**/*.json",
     "deployments/**/*.json",
     "contracts/**/*.sol"