Adding upstream version 2.2.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>

testing/gen-languages-all

@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+import sys
+
+LANGUAGES = [
+    'conda', 'docker', 'docker_image', 'fail', 'golang', 'node', 'perl',
+    'pygrep', 'python', 'python_venv', 'ruby', 'rust', 'script', 'swift',
+    'system',
+]
+FIELDS = [
+    'ENVIRONMENT_DIR', 'get_default_version', 'healthy', 'install_environment',
+    'run_hook',
+]
+
+
+def main() -> int:
+    print(f'    # BEGIN GENERATED ({sys.argv[0]})')
+    for lang in LANGUAGES:
+        parts = [f'    {lang!r}: Language(name={lang!r}']
+        for k in FIELDS:
+            parts.append(f', {k}={lang}.{k}')
+        parts.append('),  # noqa: E501')
+        print(''.join(parts))
+    print('    # END GENERATED')
+    return 0
+
+
+if __name__ == '__main__':
+    exit(main())