net/wayvnc: update to 0.2.0

screencopy-dmabuf is OPENGL option (see r506434 for rationale).
Disabled by default like upstream which deems it experimental.

Changes: https://github.com/any1/wayvnc/releases/tag/v0.2.0
Changes: https://github.com/any1/wayvnc/compare/85fca04...v0.2.0
Changes: https://github.com/any1/neatvnc/releases/tag/v0.2.0
Changes: https://github.com/any1/neatvnc/compare/b52f5cd...v0.2.0
Changes: https://github.com/any1/aml/compare/696f0ee...v0.1.0