feat: use esm version of fast-json-patch (#1364)

Author: domoritz

package-lock.json

@@ -1,4 +1,4 @@
-import {applyPatch, Operation} from 'fast-json-patch';
+import {applyPatch, Operation} from 'fast-json-patch/index.mjs';
 import stringify from 'json-stringify-pretty-compact';
 // need this import because of https://github.com/npm/node-semver/issues/381
 import satisfies from 'semver/functions/satisfies';

src/embed.ts

@@ -10,7 +10,10 @@
     "allowSyntheticDefaultImports": true,
     "importHelpers": true,
     "resolveJsonModule": true,
-    "skipLibCheck": true
+    "skipLibCheck": true,
+    "paths": {
+      "fast-json-patch/index.mjs": ["./node_modules/fast-json-patch/index.d.ts"]
+    }
   },
   "include": ["src/**/*.ts", "test/**/*.ts"]
 }