docs(website): update SDK versions

Author: thomaspoignant

website/static/sdk-versions.json

@@ -1 +1 @@
-{"maven":{"sdk":"1.9.0","providerKt":"0.0.1-beta.2","providerJava":"0.2.23","android":"0.3.0"},"npm":{"core":"1.3.0","serverSDK":"1.15.0","providerServer":"0.7.3","providerWeb":"0.2.0"},"pypi":{"sdk":"0.7.0","provider":"0.2.0"},"nuget":{"sdk":"1.5.1","provider":"0.1.6"},"go":{"provider":"v0.1.37","sdk":"v1.12.0"}}
+{"maven":{"sdk":"1.9.0","providerKt":"0.0.1-beta.2","providerJava":"0.2.23","android":"0.3.0"},"npm":{"core":"1.3.0","serverSDK":"1.15.0","webSDK":"1.2.1","providerServer":"0.7.3"},"pypi":{"sdk":"0.7.0","provider":"0.2.0"},"nuget":{"sdk":"1.5.1","provider":"0.1.6"},"go":{"provider":"v0.1.37","sdk":"v1.12.0"}}