Use .mjs extension to improve es6 module interop

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@hebcal/noaa",
-  "version": "0.8.10",
+  "version": "0.8.11",
   "description": "sunrise and sunset via NOAA algorithm with elevation, based on KosherJava",
   "author": "Michael J. Radwin (https://github.com/mjradwin)",
   "contributors": [
@@ -14,17 +14,17 @@
     "url": "git+https://github.com/hebcal/noaa.git"
   },
   "main": "dist/index.cjs",
-  "module": "dist/index.js",
+  "module": "dist/index.mjs",
   "typings": "dist/index.d.ts",
   "type": "module",
   "exports": {
-    "import": "./dist/index.js",
+    "import": "./dist/index.mjs",
     "require": "./dist/index.cjs",
     "types": "./dist/index.d.ts"
   },
   "scripts": {
     "test": "echo \"Nothing to test -- no test specified\" && exit 0",
-    "build": "npm run build:cjs && mv dist/index.js dist/index.cjs && npm run build:es6",
+    "build": "npm run build:cjs && mv dist/index.js dist/index.cjs && npm run build:es6 && mv dist/index.js dist/index.mjs",
     "build:cjs": "tsc -p ./tsconfig-cjs.json",
     "build:es6": "tsc",
     "clean": "gts clean",
@@ -43,9 +43,9 @@
     "dist/*"
   ],
   "devDependencies": {
-    "@types/node": "20.10.0",
+    "@types/node": "20.10.4",
     "gts": "^5.2.0",
-    "typescript": "^5.3.2"
+    "typescript": "^5.3.3"
   },
   "peerDependencies": {
     "temporal-polyfill": "^0.1.1"