build(deps): bump pkg-config from 1.6.2 to 1.6.3 (#1474)

Bumps [pkg-config](https://github.com/ruby-gnome/pkg-config) from 1.6.2 to 1.6.3.
- [Release notes](https://github.com/ruby-gnome/pkg-config/releases)
- [Changelog](https://github.com/ruby-gnome/pkg-config/blob/main/NEWS.md)
- [Commits](ruby-gnome/pkg-config@1.6.2...1.6.3)

---
updated-dependencies:
- dependency-name: pkg-config
  dependency-version: 1.6.3
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Olga Petrova <58073620+lemonowl@users.noreply.github.com>

Author: dependabot[bot]

Gemfile.lock

@@ -51,7 +51,7 @@ GEM
       hashery (~> 2.0)
       ruby-rc4
       ttfunk
-    pkg-config (1.6.2)
+    pkg-config (1.6.3)
     prism (1.4.0)
     racc (1.8.1)
     rainbow (3.1.1)