Revert "build: Run configure script with bash"

This reverts commit f2525b5fbea5d221a6a361a97334dfec956665dd.

(cherry picked from commit 47fd93ac6aea0dcd1d243388f92d8abe01609afa)
build: Require bash to run configure

https://bugzilla.gnome.org/show_bug.cgi?id=726780
(cherry picked from commit 603a4f0a702b5ad38d10de9a1c8f81e4b8f5d441)
Post release verion bump