fix(deps): update nest monorepo to v7.6.8 (#816)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

package.json

@@ -20,16 +20,16 @@
   },
   "dependencies": {
     "@hapi/joi": "17.1.1",
-    "@nestjs/common": "7.6.7",
+    "@nestjs/common": "7.6.8",
     "@nestjs/config": "0.6.2",
-    "@nestjs/core": "7.6.7",
+    "@nestjs/core": "7.6.8",
     "@nestjs/mongoose": "7.2.2",
     "@nestjs/passport": "7.1.5",
-    "@nestjs/platform-express": "7.6.7",
-    "@nestjs/platform-socket.io": "7.6.7",
+    "@nestjs/platform-express": "7.6.8",
+    "@nestjs/platform-socket.io": "7.6.8",
     "@nestjs/schedule": "0.4.2",
     "@nestjs/serve-static": "2.1.4",
-    "@nestjs/websockets": "7.6.7",
+    "@nestjs/websockets": "7.6.8",
     "@typegoose/typegoose": "7.4.8",
     "cache-manager": "3.4.0",
     "class-transformer": "0.3.2",
@@ -61,7 +61,7 @@
   "devDependencies": {
     "@nestjs/cli": "7.5.4",
     "@nestjs/schematics": "7.2.7",
-    "@nestjs/testing": "7.6.7",
+    "@nestjs/testing": "7.6.8",
     "@release-it/conventional-changelog": "2.0.0",
     "@types/cache-manager": "3.4.0",
     "@types/express": "4.17.11",