build(deps): bump aws-sdk from 2.553.0 to 2.555.0

Bumps [aws-sdk](https://github.com/aws/aws-sdk-js) from 2.553.0 to 2.555.0.
- [Release notes](https://github.com/aws/aws-sdk-js/releases)
- [Changelog](https://github.com/aws/aws-sdk-js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-js/compare/v2.553.0...v2.555.0)

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

package-lock.json

@@ -3404,9 +3404,9 @@
       "integrity": "sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg=="
     },
     "aws-sdk": {
-      "version": "2.553.0",
-      "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.553.0.tgz",
-      "integrity": "sha512-tcITF/3ijBumvP13Qrq/VB1eRWW6szKF0xVwZ/ch0MGkaEiTQ9n3zNRPtQc1drllsVEm5u5aXp3inoi5zmq0xg==",
+      "version": "2.555.0",
+      "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.555.0.tgz",
+      "integrity": "sha512-2zn2B3f7Gtv5q3DnR2vJBj9VQgqgu5s4u5x92yWsr3Sxoljp8L/j0SPdMa5YECMHNpCKEguSGIn8d0CxutGOnA==",
       "requires": {
         "buffer": "4.9.1",
         "events": "1.1.1",

package.json

@@ -11,7 +11,7 @@
     "amplitude": "^3.5.0",
     "apidoc": "^0.17.5",
     "apn": "^2.2.0",
-    "aws-sdk": "^2.553.0",
+    "aws-sdk": "^2.555.0",
     "bcrypt": "^3.0.6",
     "body-parser": "^1.18.3",
     "compression": "^1.7.4",