[material-ui][Alert] Update TypeScript types to allow color override types to be added to iconMapping and severity props

[2metres]

• I have followed (at least) the PR section of the contributing guide.

Change Alert types to allow color override types to be added to iconMapping and severity props

Fixes #40264

[mui-bot]

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[ZeeshanTamboli]

@2metres Thanks for creating a PR to address the issue. Your changes seem solid. However, your branch is significantly behind the master branch. Could you please merge with the latest master to potentially resolve the Argos CI failure issue? Additionally, kindly address the test_static CI job.

[ZeeshanTamboli]

You may also need to update the PropTypes if they don't get updated with the pnpm docs:api script.

--- a/packages/mui-material/src/Alert/Alert.js
+++ b/packages/mui-material/src/Alert/Alert.js
@@ -287,12 +287,15 @@ Alert.propTypes /* remove-proptypes */ = {
    * If you wish to change this mapping, you can provide your own.
    * Alternatively, you can use the `icon` prop to override the icon displayed.
    */
-  iconMapping: PropTypes.shape({
-    error: PropTypes.node,
-    info: PropTypes.node,
-    success: PropTypes.node,
-    warning: PropTypes.node,
-  }),
+  iconMapping: PropTypes /* @typescript-to-proptypes-ignore */.oneOfType([
+    PropTypes.shape({
+      error: PropTypes.node,
+      info: PropTypes.node,
+      success: PropTypes.node,
+      warning: PropTypes.node,
+    }),
+    PropTypes.objectOf(PropTypes.node),
+  ]),
   /**
    * Callback fired when the component requests to be closed.
    * When provided and no `action` prop is set, a close icon button is displayed that triggers the callback when clicked
.
@@ -308,7 +311,10 @@ Alert.propTypes /* remove-proptypes */ = {
    * The severity of the alert. This defines the color and icon used.
    * @default 'success'
    */
-  severity: PropTypes.oneOf(['error', 'info', 'success', 'warning']),
+  severity: PropTypes /* @typescript-to-proptypes-ignore */.oneOfType([
+    PropTypes.oneOf(['error', 'info', 'success', 'warning']),
+    PropTypes.string,
+  ]),
   /**
    * The extra props for the slot components.
    * You can override the existing props or add new ones.

[2metres]

@ZeeshanTamboli I've managed to step through a couple of the CI failures but there are a few others like test_e2e_website and test_unit-1 that appear unrelated to my changes.

[ZeeshanTamboli]

few others like test_e2e_website and test_unit-1 that appear unrelated to my changes.

Yes, they caused problems before, but now it's resolved. Looks good!