fix(sandbox): drop inherited tsconfig paths in package build (#115)

* fix(sandbox): drop inherited tsconfig paths in package build

The root tsconfig maps @bunny.net/openapi-client to its source files so
the repo builds without a prebuild step. The sandbox package build
inherited that mapping, pulling openapi-client sources into its program
and failing rootDir checks in the publish workflow. Override paths so
the build resolves openapi-client through its dist exports instead.

* fix(sandbox): drop inherited tsconfig paths in package build

The root tsconfig maps @bunny.net/openapi-client to its source files so
the repo builds without a prebuild step. The sandbox package build
inherited that mapping, pulling openapi-client sources into its program
and failing rootDir checks in the publish workflow. Override paths so
the build resolves openapi-client through its dist exports instead.

Author: jamie-at-bunny

packages/sandbox/tsconfig.build.json

@@ -5,7 +5,8 @@
     "declaration": true,
     "rewriteRelativeImportExtensions": true,
     "outDir": "dist",
-    "rootDir": "src"
+    "rootDir": "src",
+    "paths": {}
   },
   "exclude": ["src/**/*.test.ts"]
 }