Upgrade vala from 0.36.7 to 0.36.10, which fixes the bug in versions
0.36.8 and 0.36.9 that broke the x11/altyo build as reported in PR 225476.

• Various bug fixes:
  • girparser: + Set NoAccessorMethod for non-readable and construct-only properties + Ignore conflicting closure/destroy indexes + Don't accept methods as property-accessor which throw errors [#792998]
  • codegen: + Infer error parameter from abstract/virtual base methods [#614294] + Fix return-type for cancelled async creation methods of classes [#792942]
  • vala: Variadic constructors without a real first parameter are not allowed

PR: 225476