fix docs references

Author: gregxsunday

ruby/ql/src/queries/security/cwe-022/ZipSlip.qhelp

@@ -43,13 +43,13 @@ instance, if it were created by something like <code>tar -cf archive.tar
 outside the destination directory.
 </p>
 
-<sample src="examples/zip_slip_bad.py" />
+<sample src="examples/zip_slip_bad.rb" />
 
 <p>To fix this vulnerability, we need to check that the path does not
 contain any <code>".."</code> elements in it.
 </p>
 
-<sample src="examples/zip_slip_good.py" />
+<sample src="examples/zip_slip_good.rb" />
 
 </example>
 <references>
@@ -63,12 +63,16 @@ OWASP:
 <a href="https://owasp.org/www-community/attacks/Path_Traversal">Path Traversal</a>.
 </li>
 <li>
-Python Library Reference:
-<a href="https://docs.python.org/3/library/tarfile.html#tarfile.TarFile.extract">TarFile.extract</a>.
+class
+<a href="https://docs.ruby-lang.org/en/2.4.0/Gem/Package/TarReader.html">Gem::Package::TarReader</a>.
 </li>
 <li>
-Python Library Reference:
-<a href="https://docs.python.org/3/library/tarfile.html#tarfile.TarFile.extractall">TarFile.extractall</a>.
+class
+<a href="https://ruby-doc.org/stdlib-2.4.0/libdoc/zlib/rdoc/Zlib/GzipReader.html">Zlib::GzipReader</a>.
+</li>
+<li>
+class
+<a href="https://www.rubydoc.info/github/rubyzip/rubyzip/Zip/File">Zip::File</a>.
 </li>
 
 </references>