Bump pkg-config from 1.3.1 to 1.3.2 (#9215)

Bumps [pkg-config](https://github.com/ruby-gnome2/pkg-config) from 1.3.1 to 1.3.2.
- [Release notes](https://github.com/ruby-gnome2/pkg-config/releases)
- [Changelog](https://github.com/ruby-gnome2/pkg-config/blob/master/NEWS)
- [Commits](https://github.com/ruby-gnome2/pkg-config/compare/1.3.1...1.3.2

)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Gemfile.lock

@@ -397,7 +397,7 @@ GEM
     pg (1.1.3)
     pghero (2.2.0)
       activerecord
-    pkg-config (1.3.1)
+    pkg-config (1.3.2)
     powerpack (0.1.2)
     premailer (1.11.1)
       addressable