fix(deps): update dependency nodemailer to v6.7.6

Author: renovate[bot]

packages/backend/package.json

@@ -86,7 +86,7 @@
     "mongodb": "4.7.0",
     "mongoose": "5.13.14",
     "node-config-ts": "3.1.0",
-    "nodemailer": "6.7.5",
+    "nodemailer": "6.7.6",
     "pupa": "2.1.1",
     "reflect-metadata": "0.1.13",
     "rimraf": "3.0.2",

yarn.lock

@@ -17824,10 +17824,10 @@ node-releases@^2.0.1:
   resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.1.tgz#3d1d395f204f1f2f29a54358b9fb678765ad2fc5"
   integrity sha512-CqyzN6z7Q6aMeF/ktcMVTzhAHCEpf8SOarwpzpf8pNBY2k5/oM34UHldUwp8VKI7uxct2HxSRdJjBaZeESzcxA==
 
-[email protected].5:
-  version "6.7.5"
-  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.7.5.tgz#b30b1566f5fa2249f7bd49ced4c58bec6b25915e"
-  integrity sha512-6VtMpwhsrixq1HDYSBBHvW0GwiWawE75dS3oal48VqRhUvKJNnKnJo2RI/bCVQubj1vgrgscMNW4DHaD6xtMCg==
+[email protected].6:
+  version "6.7.6"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.7.6.tgz#d3de8f644eaa0dad784d1be1375c596de492f3fc"
+  integrity sha512-/6KF/umU7r7X21Y648/yiRLrgkfz0dmpyuo4BfgYWIpnT/jCbkPTvegMfxCsDAu+O810p2L1BGXieMTPp3nJVA==
 
 normalize-package-data@^2.3.2, normalize-package-data@^2.5.0:
   version "2.5.0"