Merge topic 'pkgc-update'

38fa645e73 PkgC: Correctly handle various pkg-config edge cases
391b44f37e llpkgc: update to 0.0.7
d4f638ee04 Merge branch 'upstream-llpkgc' into pkgc-update
bec4510a0f llpkgc 2026-07-07 (12b80381)

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Merge-request: !12217