Update CONTRIBUTING.md

Fixed typo complains -> complaints.

Author: javabrett

CONTRIBUTING.md

@@ -10,7 +10,7 @@ Please note the following:
 * Please one pull request per feature or bug fix or improvement. Please do not mix issues.
 * Documentation pays off in the long run. So please your document your code and the pull request and/or commit message.
 * Please test your changes thoroughly as reliability is important for this project. You may want to check different servers with different settings.
-* GitHub actions are running automatically when anything is committed. You should see any complains. Beforehand you can check with `prove -v` from the "root dir" of this project.
+* GitHub actions are running automatically when anything is committed. You should see any complaints. Beforehand you can check with `prove -v` from the "root dir" of this project.
 * If it's a new feature, please consider writing a unit test for it. You can use e.g. `t/10_baseline_ipv4_http.t` or `t/61_diff_testsslsh.t` as a template. The general documentation for [Test::More](https://perldoc.perl.org/Test/More.html) is a good start.
 * If it's a new feature, it would need to be documented in the appropriate section in `help()` and in `~/doc/testssl.1.md`