tests: Fix meson --allow-dirty workaround to apply to later versions
tests: Fix meson --allow-dirty workaround to apply to later versions

meson 0.63 is out, and needs the same workaround. Change the version
check to apply to all versions ≥ 0.62.0.

martinpitt/umockdev,martinpitt/umockdev,martinpitt/umockdev