use the jsonschema::RootSchema instead of accidentally inventing our own (#4047)

* updates

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu-latest)

* empty

* updates

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* updates

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* fix clippy

Signed-off-by: Jess Frazelle <github@jessfraz.com>

* A snapshot a day keeps the bugs away! 📷🐛 (OS: windows-latest)

* Revert "A snapshot a day keeps the bugs away! 📷🐛 (OS: windows-latest)"

This reverts commit 64cee26626.

---------

Signed-off-by: Jess Frazelle <github@jessfraz.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

src/wasm-lib/derive-docs/tests/test_args_with_exec_state.gen

@@ -85,12 +85,11 @@ impl crate::docs::StdLibFn for SomeFunction {
         let mut settings = schemars::gen::SchemaSettings::openapi3();
         settings.inline_subschemas = inline_subschemas;
         let mut generator = schemars::gen::SchemaGenerator::new(settings);
-        let schema = <i32>::json_schema(&mut generator);
+        let schema = generator.root_schema_for::<i32>();
         Some(crate::docs::StdLibFnArg {
             name: "".to_string(),
             type_: "i32".to_string(),
             schema,
-            schema_definitions: generator.definitions().clone(),
             required: true,
         })
     }