chore(deps): update dependency mongoose to v8 (#857)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

packages/casl-mongoose/package.json

@@ -49,7 +49,7 @@
     "@types/jest": "^29.0.0",
     "chai": "^4.1.0",
     "chai-spies": "^1.0.0",
-    "mongoose": "^7.0.0"
+    "mongoose": "^8.0.0"
   },
   "files": [
     "dist",

packages/casl-mongoose/spec/accessible_records.spec.ts

@@ -64,7 +64,7 @@ describe('Accessible Records Plugin', () => {
 
     it('properly merges `toMongoQuery` result with existing in query `$and` conditions', () => {
       const existingConditions = [{ prop: true }, { anotherProp: false }]
-      const query = Post.find({ $and: existingConditions })
+      const query = Post.find({ $and: existingConditions.slice(0) })
       const conditions = query.accessibleBy(ability).getQuery()
 
       expect(conditions.$and).toEqual([