Make axe-core a peer dependency, and use 4.1.0 for dev

package.json

@@ -38,14 +38,16 @@
     "types": "tsc --noEmit"
   },
   "dependencies": {
-    "axe-core": "^4.0.2",
     "chalk": "^4.1.0",
     "indent-string": "^4.0.0",
     "lodash": "^4.17.20",
     "p-timeout": "^3.2.0",
     "playwright": "^1.4.2",
     "yargs": "^16.0.3"
   },
+  "peerDependencies": {
+    "axe-core": "^4.0.0"
+  },
   "devDependencies": {
     "@babel/cli": "^7.11.6",
     "@babel/core": "^7.11.6",
@@ -58,6 +60,7 @@
     "@types/node": "^14.11.8",
     "@typescript-eslint/eslint-plugin": "^4.4.1",
     "@typescript-eslint/parser": "^4.4.1",
+    "axe-core": "^4.1.0",
     "babel-jest": "^26.3.0",
     "eslint": "^7.11.0",
     "eslint-plugin-import": "^2.22.0",

yarn.lock

@@ -1935,10 +1935,10 @@ aws4@^1.8.0:
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.10.1.tgz#e1e82e4f3e999e2cfd61b161280d16a111f86428"
   integrity sha512-zg7Hz2k5lI8kb7U32998pRRFin7zJlkfezGJjUc2heaD4Pw2wObakCDVzkKztTm/Ln7eiVvYsjqak0Ed4LkMDA==
 
-axe-core@^4.0.2:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/axe-core/-/axe-core-4.0.2.tgz#c7cf7378378a51fcd272d3c09668002a4990b1cb"
-  integrity sha512-arU1h31OGFu+LPrOLGZ7nB45v940NMDMEJeNmbutu57P+UFDVnkZg3e+J1I2HJRZ9hT7gO8J91dn/PMrAiKakA==
+axe-core@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/axe-core/-/axe-core-4.1.0.tgz#93d395e6262ecdde5cb52a5d06533d0a0c7bb4cd"
+  integrity sha512-9atDIOTDLsWL+1GbBec6omflaT5Cxh88J0GtJtGfCVIXpI02rXHkju59W5mMqWa7eiC5OR168v3TK3kUKBW98g==
 
 babel-jest@^26.3.0, babel-jest@^26.5.2:
   version "26.5.2"