[Piuparts-reports] archive_old_logs

[piuparts master]

sid-nodoc
`pass/autopkgtest_3.12.log' -> `archive/pass/autopkgtest_3.12.log'
`pass/r-cran-lpsolve_5.6.10-1.log' -> `archive/pass/r-cran-lpsolve_5.6.10-1.log'


Archived 2 old logfiles.