build(mercurius): add tslib package

Author: kamilmysliwiec

packages/mercurius/package.json

@@ -23,6 +23,9 @@
   "bugs": {
     "url": "https://github.com/nestjs/graphql/issues"
   },
+  "dependencies": {
+    "tslib": "2.3.1"
+  },
   "devDependencies": {
     "@nestjs/common": "8.4.0",
     "@nestjs/platform-fastify": "8.4.0",

yarn.lock

@@ -9924,7 +9924,7 @@ tsconfig-paths@^3.12.0:
     minimist "^1.2.0"
     strip-bom "^3.0.0"
 
-[email protected], tslib@^2.1.0, tslib@^2.3.1, tslib@~2.3.0:
+[email protected], tslib@^2.1.0, tslib@~2.3.0:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.3.1.tgz#e8a335add5ceae51aa261d32a490158ef042ef01"
   integrity sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw==