The tag is present in Lintian version 2.104.234. That is the most recent version we know about.
The strings "Apache License, Version" or "Apache-2" appear in the
copyright file for this package, but the copyright file does not
/usr/share/common-licenses as the location of the
Apache-2 on Debian systems.
If the copyright file must mention the Apache-2 for reasons other than stating the license of the package, please add a Lintian override.
Refer to Debian Policy Manual section 12.5 for details.