build(package): move ethers to peer dependency

package.json

@@ -41,8 +41,7 @@
   },
   "homepage": "https://github.com/rubilmax/ethers-multicall-provider#readme",
   "dependencies": {
-    "dataloader": "^2.2.2",
-    "ethers": "^6.13.1"
+    "dataloader": "^2.2.2"
   },
   "devDependencies": {
     "@trivago/prettier-plugin-sort-imports": "^4.3.0",
@@ -54,6 +53,7 @@
     "conventional-changelog-conventionalcommits": "^8.0.0",
     "cz-conventional-changelog": "^3.3.0",
     "dotenv": "^16.4.1",
+    "ethers": "^6.13.1",
     "husky": "^8.0.3",
     "jest": "^29.7.0",
     "lint-staged": "^14.0.1",
@@ -62,6 +62,9 @@
     "typechain": "^8.3.2",
     "typescript": "^5.3.3"
   },
+  "peerDependencies": {
+    "ethers": "^6.0.0"
+  },
   "config": {
     "commitizen": {
       "path": "./node_modules/cz-conventional-changelog"