build: temporarily disable illumos for release

They let the domain/DNSSEC expire, I need the build to pass.

Signed-off-by: Jakob Borg <jakob@kastelo.net>

.github/workflows/build-syncthing.yaml

@@ -159,7 +159,7 @@ jobs:
     needs:
       - build-test
       - package-linux
-      - package-illumos
+      # - package-illumos
       - package-cross
       - package-source
       - package-debian
@@ -645,7 +645,7 @@ jobs:
     needs:
       - codesign-windows
       - package-linux
-      - package-illumos
+      # - package-illumos
       - package-macos
       - package-cross
       - package-source