Bug#1073114: unburden-home-dir: stop build-depending on pcre3

[Chris Hofstaedtler]

Source: unburden-home-dir
Severity: serious
Tags: trixie sid

Hi,

we want to get rid of pcre3 in trixie. As such unburden-home-dir's
Build-Depends on pcregrep dependency will become unsatisfiable.

Chris