spec: bump min_osbuild_version to 166

We need v166 of osbuild to ensure we have the "quoting"
fix in the librepo source [0].

[0] osbuild/osbuild#2253

Author: mvo5

osbuild-composer.spec

@@ -8,7 +8,7 @@
 %bcond_with relax_requires
 
 # The minimum required osbuild version
-%global min_osbuild_version 163
+%global min_osbuild_version 166
 
 %global goipath         github.com/osbuild/osbuild-composer