Fix .d.ts resolution-mode

Author: drwpow

.changeset/four-ravens-shop.md

@@ -0,0 +1,6 @@
+---
+"openapi-typescript": patch
+"openapi-fetch": patch
+---
+
+Restore original .d.ts module-resolution behavior

packages/openapi-fetch/tsconfig.build.json

@@ -1,4 +1,8 @@
 {
   "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "module": "ES2022",
+    "moduleResolution": "Node"
+  },
   "exclude": ["./**/*.test.*"]
 }

packages/openapi-fetch/tsconfig.json

@@ -4,8 +4,8 @@
     "declaration": true,
     "downlevelIteration": false,
     "esModuleInterop": true,
-    "module": "ESNext",
-    "moduleResolution": "nodenext",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
     "outDir": "dist",
     "skipLibCheck": true,
     "strict": true,

packages/openapi-typescript/tsconfig.build.json

@@ -1,4 +1,8 @@
 {
   "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "module": "ES2022",
+    "moduleResolution": "Node"
+  },
   "exclude": ["scripts", "test", "*.ts"]
 }