fix: clean up package exports, remove unused ./test subpath

Author: ericallam

.changeset/fix-cjs-exports.md

@@ -0,0 +1,5 @@
+---
+"agentcrumbs": patch
+---
+
+Add typesVersions for node10 resolution of subpath exports

packages/agentcrumbs/package.json

@@ -7,12 +7,8 @@
   "types": "./dist/index.d.ts",
   "exports": {
     ".": {
-      "import": "./dist/index.js",
-      "types": "./dist/index.d.ts"
-    },
-    "./test": {
-      "import": "./dist/sinks/memory.js",
-      "types": "./dist/sinks/memory.d.ts"
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.js"
     }
   },
   "bin": {