Bump @types/pg from 7.14.11 to 8.6.0 (#93)

Bumps [@types/pg](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/pg) from 7.14.11 to 8.6.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/pg)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -37,7 +37,7 @@
   },
   "devDependencies": {
     "@tsconfig/node10": "^1.0.7",
-    "@types/pg": "^7.14.4",
+    "@types/pg": "^8.6.0",
     "fastify": "^3.0.0",
     "pg": "^8.2.1",
     "pg-native": "^3.0.0",