chore(deps): bump @nestjs/core from 7.6.5 to 7.6.15

Bumps [@nestjs/core](https://github.com/nestjs/nest) from 7.6.5 to 7.6.15.
- [Release notes](https://github.com/nestjs/nest/releases)
- [Commits](nestjs/nest@v7.6.5...v7.6.15)

Signed-off-by: dependabot[bot] <support@github.com>

yarn.lock

@@ -1488,16 +1488,16 @@
     uuid "8.3.2"
 
 "@nestjs/core@^7.5.3":
-  version "7.6.5"
-  resolved "https://registry.yarnpkg.com/@nestjs/core/-/core-7.6.5.tgz#93c642d1abf8d3f09f8f78c262814eaf83bc2ad6"
-  integrity sha512-syRpXT09RDMySs1BLQSXJfq1NXGfG4VmF9hZYGef+/QWqTRfSMEDEH5MsCCLt2lK3AZnOXE9BQwWKeNBhKLplA==
+  version "7.6.15"
+  resolved "https://registry.yarnpkg.com/@nestjs/core/-/core-7.6.15.tgz#dfcc5a7804c10d07f81dde514804b484b909d08a"
+  integrity sha512-8CrL/iY5Gt4HJfyDg1PgPalhT7tVRT643f2mGMgPum/P/e94uuwEYBNIgsMEVOJUrOAWZkNIN60uEf8JkH6GWw==
   dependencies:
     "@nuxtjs/opencollective" "0.3.2"
     fast-safe-stringify "2.0.7"
     iterare "1.2.1"
     object-hash "2.1.1"
     path-to-regexp "3.2.0"
-    tslib "2.0.3"
+    tslib "2.1.0"
     uuid "8.3.2"
 
 "@nestjs/graphql@^6.2.4 || ^7.0.0", "@nestjs/graphql@^7.8.2":
@@ -11818,11 +11818,6 @@ tsconfig@^7.0.0:
     strip-bom "^3.0.0"
     strip-json-comments "^2.0.0"
 
-tslib@2.0.3, tslib@~2.0.1, tslib@~2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.0.3.tgz#8e0741ac45fc0c226e58a17bfc3e64b9bc6ca61c"
-  integrity sha512-uZtkfKblCEQtZKBF6EBXVZeQNl82yqtDQdv+eck8u7tdPxjLu2/lp5/uPW+um2tpuxINHWy3GhiccY7QgEaVHQ==
-
 tslib@2.1.0, tslib@^2.0.3, tslib@~2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.1.0.tgz#da60860f1c2ecaa5703ab7d39bc05b6bf988b97a"
@@ -11833,6 +11828,11 @@ tslib@^1.10.0, tslib@^1.13.0, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
   integrity sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==
 
+tslib@~2.0.1, tslib@~2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.0.3.tgz#8e0741ac45fc0c226e58a17bfc3e64b9bc6ca61c"
+  integrity sha512-uZtkfKblCEQtZKBF6EBXVZeQNl82yqtDQdv+eck8u7tdPxjLu2/lp5/uPW+um2tpuxINHWy3GhiccY7QgEaVHQ==
+
 tsutils@^3.17.1:
   version "3.17.1"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.17.1.tgz#ed719917f11ca0dee586272b2ac49e015a2dd759"