[lettuce] Pushed x86 stabilisation back 45 days

Waiting on upstream to stabilise usable ipdb.
[nose2-cov] Pushed amd64 stabilisation back 60 days

Waiting on upstream to stabilise cov-core.
[rad] Pushed x86 stabilisation back 45 days

Waiting on upstream to stabilise colorama.
[showme] Pushed x86 stabilisation back 45 days

Waiting on upstream to stabilise colorama.
[cake] Pushed x86 stabilisation back 45 days

Waiting on upstream to stabilise colorama.
Update metadata cache for upstream's eclass changes