[gtk3] fix when building with wayland support

[AenBleidd]

• Changes comply with the maintainer guide.
• SHA512s are updated for each updated download.
• The "supports" clause reflects platforms that may be fixed by this new version, or no changes were necessary.
• Any fixed CI baseline and CI feature baseline entries are removed from that file, or no entries needed to be changed.
• All patch files in the port are applied and succeed.
• The version database is fixed by rerunning ./vcpkg x-add-version --all and committing the result.
• Exactly one version is added in each modified versions file.

[Copilot]

Pull request overview

Bumps the gtk3 port revision and adjusts the Wayland feature configuration to address build issues when enabling Wayland support.

Changes:

• Increment gtk3 port-version from 1 → 2 and update versioning metadata (baseline + versions DB entry).
• Add libxkbcommon as a dependency of the wayland feature.
• Extend Meson configuration to optionally provide an explicit wayland-scanner path via ADDITIONAL_BINARIES.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
versions/g-/gtk3.json	Adds a new 3.24.52 entry with port-version: 2 and updated git-tree.
versions/baseline.json	Updates the repo baseline for gtk3 to port-version: 2.
ports/gtk3/vcpkg.json	Bumps port-version and adds libxkbcommon to the wayland feature dependencies.
ports/gtk3/portfile.cmake	Adds conditional Meson ADDITIONAL_BINARIES injection for wayland-scanner.

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[BillyONeal]

Thanks!