Pin dependency @types/phoenix to 1.5.4 (#79)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

package-lock.json

@@ -33,7 +33,7 @@
   },
   "devDependencies": {
     "@types/jest": "27.5.0",
-    "@types/phoenix": "^1.5.4",
+    "@types/phoenix": "1.5.4",
     "@types/ws": "8.5.3",
     "@typescript-eslint/eslint-plugin": "5.22.0",
     "@typescript-eslint/parser": "5.22.0",