fix: upgrade helmet from 3.23.2 to 3.23.3 (#26)

Snyk has created this PR to upgrade helmet from 3.23.2 to 3.23.3.

See this package in NPM:
https://www.npmjs.com/package/helmet

See this project in Snyk:
https://app.snyk.io/org/osk2/project/05a0762c-11f8-44d0-a73b-a400e6c221ac?utm_source=github&utm_medium=upgrade-pr

package.json

@@ -21,7 +21,7 @@
     "body-parser": "^1.19.0",
     "cors": "^2.8.4",
     "express": "^4.16.3",
-    "helmet": "^3.23.2",
+    "helmet": "^3.23.3",
     "maxmind": "^3.0.4"
   },
   "devDependencies": {

yarn.lock

@@ -146,11 +146,6 @@ etag@~1.8.1:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
 
-[email protected]:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/expect-ct/-/expect-ct-0.2.0.tgz#3a54741b6ed34cc7a93305c605f63cd268a54a62"
-  integrity sha512-6SK3MG/Bbhm8MsgyJAylg+ucIOU71/FzyFalcfu5nY19dH8y/z0tBJU0wrNBXD4B27EoQtqPF/9wqH0iYAd04g==
-
 express@^4.16.3:
   version "4.16.3"
   resolved "http://registry.npmjs.org/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
@@ -207,11 +202,6 @@ forwarded@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
 
-[email protected]:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/frameguard/-/frameguard-3.1.0.tgz#bd1442cca1d67dc346a6751559b6d04502103a22"
-  integrity sha512-TxgSKM+7LTA6sidjOiSZK9wxY0ffMPY3Wta//MqwmX0nZuEHc8QrkV8Fh3ZhMJeiH+Uyh/tcaarImRy8u77O7g==
-
 [email protected]:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
@@ -231,16 +221,14 @@ [email protected]:
     content-security-policy-builder "2.1.0"
     dasherize "2.0.0"
 
-helmet@^3.23.2:
-  version "3.23.2"
-  resolved "https://registry.yarnpkg.com/helmet/-/helmet-3.23.2.tgz#390bb6f3f5e593f90f441bdd91000912c543a898"
-  integrity sha512-pe0UiHw3aHbP8Lon9McCq4AN2XLUMSbhwxJnUY6U2t8wTda7F1SsYg0/pBa1BPugaRqAtx9e1/FyF6E9PsUU5A==
+helmet@^3.23.3:
+  version "3.23.3"
+  resolved "https://registry.yarnpkg.com/helmet/-/helmet-3.23.3.tgz#5ba30209c5f73ded4ab65746a3a11bedd4579ab7"
+  integrity sha512-U3MeYdzPJQhtvqAVBPntVgAvNSOJyagwZwyKsFdyRa8TV3pOKVFljalPOCxbw5Wwf2kncGhmP0qHjyazIdNdSA==
   dependencies:
     depd "2.0.0"
     dont-sniff-mimetype "1.1.0"
-    expect-ct "0.2.0"
     feature-policy "0.3.0"
-    frameguard "3.1.0"
     helmet-crossdomain "0.4.0"
     helmet-csp "2.10.0"
     hide-powered-by "1.1.0"