docs: Mintlify MDX docs + docs.json; bump Speakeasy to 1.787.0 (#382)

docs/components/requireapprovalunion.mdx

@@ -0,0 +1,30 @@
+---
+title: "RequireApprovalUnion"
+---
+
+## Supported Types
+
+### `components.RequireApproval`
+
+```python
+value: components.RequireApproval = /* values here */
+```
+
+### `components.RequireApprovalAlways`
+
+```python
+value: components.RequireApprovalAlways = /* values here */
+```
+
+### `components.RequireApprovalNever`
+
+```python
+value: components.RequireApprovalNever = /* values here */
+```
+
+### `Any`
+
+```python
+value: Any = /* values here */
+```
+