gplugin/gplugin

Prepare for the 0.34.1 release
v0.34.1
2021-09-25, Gary Kramlich
d01d2ae04291
Prepare for the 0.34.1 release

Testing Done:
Ran `ninja dist`

Reviewed at https://reviews.imfreedom.org/r/944/
configure_file(
input : 'gplugin.spec.in',
output : 'gplugin.spec',
configuration : version_conf)