#754 - URL Cleanup.

This commit updates URLs to prefer the https protocol. Redirects are not followed to avoid accidentally expanding intentionally shortened URLs (i.e. if using a URL shortener).

# Fixed URLs

## Fixed Success
These URLs were switched to an https URL with a 2xx status. While the status was successful, your review is still recommended.

* [ ] http://contributor-covenant.org with 1 occurrences migrated to:
  https://contributor-covenant.org ([https](https://contributor-covenant.org) result 301).
* [ ] http://contributor-covenant.org/version/1/3/0/ with 1 occurrences migrated to:
  https://contributor-covenant.org/version/1/3/0/ ([https](https://contributor-covenant.org/version/1/3/0/) result 301).

# Ignored
These URLs were intentionally ignored.

* http://www.w3.org/1999/xlink with 1 occurrences
* http://www.w3.org/2000/svg with 1 occurrences

Original Pull Request: #767

Author: Spring Operator

CODE_OF_CONDUCT.adoc

@@ -24,4 +24,4 @@ Instances of abusive, harassing, or otherwise unacceptable behavior may be repor
 All complaints will be reviewed and investigated and will result in a response that is deemed necessary and appropriate to the circumstances.
 Maintainers are obligated to maintain confidentiality with regard to the reporter of an incident.
 
-This Code of Conduct is adapted from the http://contributor-covenant.org[Contributor Covenant], version 1.3.0, available at http://contributor-covenant.org/version/1/3/0/[contributor-covenant.org/version/1/3/0/].
+This Code of Conduct is adapted from the https://contributor-covenant.org[Contributor Covenant], version 1.3.0, available at https://contributor-covenant.org/version/1/3/0/[contributor-covenant.org/version/1/3/0/].