devel/ccache4: Update to 4.13.6

• Use upstream release tarball
• Use = instead of += for CMAKE_ARGS
• Sort CMAKE_OFF
• Sort PLIST

Changes: https://github.com/ccache/ccache/releases

		https://ccache.dev/releasenotes.html

PR: 295140
Approved by: Oleg Sidorkin <osidorkin@gmail.com> (maintainer)