Bump libpq from 1.8.9 to 1.8.12

Bumps [libpq](https://github.com/brianc/node-libpq) from 1.8.9 to 1.8.12.
- [Release notes](https://github.com/brianc/node-libpq/releases)
- [Commits](https://github.com/brianc/node-libpq/commits)

---
updated-dependencies:
- dependency-name: libpq
  dependency-type: indirect
...

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

Author: dependabot[bot]

yarn.lock

@@ -2965,9 +2965,9 @@ levn@^0.4.1:
     type-check "~0.4.0"
 
 libpq@^1.7.0:
-  version "1.8.9"
-  resolved "https://registry.yarnpkg.com/libpq/-/libpq-1.8.9.tgz#6e0c6eecb176f6656ad092d67cc0131980cba897"
-  integrity sha512-herU0STiW3+/XBoYRycKKf49O9hBKK0JbdC2QmvdC5pyCSu8prb9idpn5bUSbxj8XwcEsWPWWWwTDZE9ZTwJ7g==
+  version "1.8.12"
+  resolved "https://registry.yarnpkg.com/libpq/-/libpq-1.8.12.tgz#994b75b9a9ef48fb4e45ebccda937d8a8fadf45c"
+  integrity sha512-4lUY9BD9suz76mVS0kH4rRgRy620g/c9YZH5GYC3smfIpjtj6KiPuQ4IwQSHSZMMMhMM3tBFrYUrw8mHOOZVeg==
   dependencies:
     bindings "1.5.0"
     nan "^2.14.0"
@@ -3260,9 +3260,9 @@ mz@^2.4.0:
     thenify-all "^1.0.0"
 
 nan@^2.14.0:
-  version "2.14.0"
-  resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.0.tgz#7818f722027b2459a86f0295d434d1fc2336c52c"
-  integrity sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==
+  version "2.17.0"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.17.0.tgz#c0150a2368a182f033e9aa5195ec76ea41a199cb"
+  integrity sha512-2ZTgtl0nJsO0KQCjEpxcIr5D+Yv90plTitZt9JBfQvVJDS5seMl3FOvsh3+9CoYWXf/1l5OaZzzF6nDm4cagaQ==
 
 nanoid@3.1.12:
   version "3.1.12"