chore(deps): update dependency eslint to v8

Author: renovate[bot]

backend/package.json

@@ -19,7 +19,7 @@
     "@graphql-codegen/typescript-resolvers": "1.19.0",
     "@slonik/migrator": "0.11.2",
     "@typescript-eslint/parser": "5.12.0",
-    "eslint": "7.22.0",
+    "eslint": "8.36.0",
     "eslint-config-canonical": "25.9.1",
     "eslint-config-prettier": "7.2.0",
     "eslint-plugin-import": "2.22.1",