Update xwidgets to 0.29.0 (#1083)

* Update xwidgets to 0.29.0

* Added tests

* Update xwidgets to 0.29.0

* Added more tests

* Add test based on libxwidgets.a

recipes/recipes_emscripten/xwidgets/recipe.yaml

@@ -1,13 +1,13 @@
 context:
-  version: 0.28.1
+  version: 0.29.0
 
 package:
   name: xwidgets
   version: ${{ version }}
 
 source:
   url: https://github.com/jupyter-xeus/xwidgets/archive/refs/tags/${{ version }}.tar.gz
-  sha256: ef399a813543e83180b3c4eeaac6d7c6baef94f9911bb74a0ebf2cfc98568ca0
+  sha256: 07c789b7936b19a123f37ac1edfd0598a89f23e02d4eeffc9976817be68bee42
 
 build:
   number: 0
@@ -18,21 +18,25 @@ requirements:
   - cmake
   - ninja
   host:
-  - xtl >=0.7,<0.8
-  - nlohmann_json
-  - xeus >=3.0,<4.0
-  - xproperty >=0.11.0,<0.12
+  - nlohmann_json >=3.11
+  - xeus >=5,<6
+  - xproperty >=0.12.0,<0.13
   run:
-  - xtl >=0.7,<0.8
-  - nlohmann_json
-  - xeus >=3.0,<4.0
-  - xproperty >=0.11.0,<0.12
+  - nlohmann_json >=3.11
+  - xeus >=5,<6
+  - xproperty >=0.12.0,<0.13
+
+tests:
+- script:
+    - test -d $PREFIX/include/xwidgets
+    - test -f $PREFIX/include/xwidgets/xtransport.hpp
+    - test -f $PREFIX/lib/libxwidgets.a
 
 about:
   license: BSD-3-Clause
   license_family: BSD-3
   license_file: LICENSE
-  summary: xtl
+  summary: C++ backend for Jupyter interactive widgets
   homepage: https://github.com/jupyter-xeus/xwidgets
 extra:
   recipe-maintainers: