fix(deps): update dependency mongodb to v6.19.0 (#880)

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

Author: renovate[bot]

package.json

@@ -31,7 +31,7 @@
     "fastify": "5.5.0",
     "graphql-request": "7.2.0",
     "highlight.js": "11.11.1",
-    "mongodb": "6.18.0",
+    "mongodb": "6.19.0",
     "node-html-to-image": "4.0.0",
     "node-schedule": "2.1.1",
     "octokit": "4.1.4",