Updated GitHub documentation links.

.github/codeowners

@@ -1 +1 @@
-# See: https://help.github.com/en/articles/about-code-owners
+# See: https://docs.github.com/en/github/creating-cloning-and-archiving-repositories/about-code-owners

.github/contributing.md

@@ -1,3 +1,3 @@
-<!--- See: https://help.github.com/en/articles/setting-guidelines-for-repository-contributors --->
+<!--- See: https://docs.github.com/en/github/building-a-strong-community/setting-guidelines-for-repository-contributors --->
 
 # How to contribute

.github/funding.yml

@@ -1 +1 @@
-# See: https://help.github.com/en/articles/displaying-a-sponsor-button-in-your-repository
+# See: https://docs.github.com/en/github/administering-a-repository/displaying-a-sponsor-button-in-your-repository

.github/security.md

@@ -1,3 +1,3 @@
-<!--- See: https://help.github.com/en/articles/adding-a-security-policy-to-your-repository --->
+<!--- See: https://docs.github.com/en/github/managing-security-vulnerabilities/adding-a-security-policy-to-your-repository --->
 
 # How to report a security vulnerability

.github/support.md

@@ -1,3 +1,3 @@
-<!--- See: https://help.github.com/en/articles/adding-support-resources-to-your-project --->
+<!--- See: https://docs.github.com/en/github/building-a-strong-community/adding-support-resources-to-your-project --->
 
 # How to get support