Bump vendor/gitlab.freedesktop.org/fontconfig/fontconfig

Bumps vendor/gitlab.freedesktop.org/fontconfig/fontconfig from `70b60ca` to `e2e4113`.

---
updated-dependencies:
- dependency-name: vendor/gitlab.freedesktop.org/fontconfig/fontconfig
  dependency-version: e2e4113b05790574822b59f19956fc09192f45c8
  dependency-type: direct:production
...

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Author: dependabot[bot]