the_platinum_searcher 1.6.5

With v1.6.5, the_platinum_searcher now returns 0 on a positive search
result and 1 on a negative search result (i.e. 0=match found, 1=no
matches found).

Closes #30714.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
Revert "the_platinum_searcher 1.6.5"

This reverts commit d748a08e6130a28dfeb7d428fa90a83b46358b2e.
the_platinum_searcher: add alias: pt

`the_platinum_searcher` is also known as `pt` (the atomic symbol for
platinum).

Closes #30715.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
sbuild 0.7.6
sbuild: add 0.7.6 bottle.