fix(deps-dev): bump nodemailer from 6.9.4 to 6.9.7 (#24)

Bumps [nodemailer](https://github.com/nodemailer/nodemailer) from 6.9.4 to 6.9.7.
- [Release notes](https://github.com/nodemailer/nodemailer/releases)
- [Changelog](https://github.com/nodemailer/nodemailer/blob/master/CHANGELOG.md)
- [Commits](nodemailer/nodemailer@v6.9.4...v6.9.7)

---
updated-dependencies:
- dependency-name: nodemailer
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -20,6 +20,6 @@
     "env-cmd": "^10.1.0",
     "nightwatch": "^3.1.2",
     "sops-wrapper": "^1.0.0",
-    "nodemailer": "^6.9.4"
+    "nodemailer": "^6.9.7"
   }
 }

yarn.lock

@@ -1318,10 +1318,10 @@ node-gyp-build@^4.2.2:
   resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-4.6.0.tgz#0c52e4cbf54bbd28b709820ef7b6a3c2d6209055"
   integrity sha512-NTZVKn9IylLwUzaKjkas1e4u2DLNcV4rdYagA4PWdPwW87Bi7z+BznyKSRwS/761tV/lzCGXplWsiaMjLqP2zQ==
 
-nodemailer@^6.9.4:
-  version "6.9.4"
-  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.9.4.tgz#93bd4a60eb0be6fa088a0483340551ebabfd2abf"
-  integrity sha512-CXjQvrQZV4+6X5wP6ZIgdehJamI63MFoYFGGPtHudWym9qaEHDNdPzaj5bfMCvxG1vhAileSWW90q7nL0N36mA==
+nodemailer@^6.9.7:
+  version "6.9.7"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.9.7.tgz#ec2f488f62ba1558e7b19239b62778df4a5c4397"
+  integrity sha512-rUtR77ksqex/eZRLmQ21LKVH5nAAsVicAtAYudK7JgwenEDZ0UIQ1adUGqErz7sMkWYxWTTU1aeP2Jga6WQyJw==
 
 normalize-path@^3.0.0, normalize-path@~3.0.0:
   version "3.0.0"