[Cloud Security] Move @kbn/cloud-security-posture-storybook-config for Kibana sustainability (elastic#204500)

## Summary

Move @kbn/cloud-security-posture-storybook-config package to
`x-pack/solutions/security/packages/kbn-cloud-security-posture/.storybook`

Renamed removed the `config` folder to align with the `.storybook`
[naming
convention](https://github.com/elastic/kibana/pull/204500/files#diff-91918a63f6365a8f40f674ab54a8df7ce9aeb313f77fe8eda76284d712ef5425R21).

![Screenshot 2024-12-16 at 5 50
53 PM](https://github.com/user-attachments/assets/de1d0a81-353f-434c-bb2d-989210b35b43)

### Related Issues
- elastic#202862

---------

Co-authored-by: Brad White <[email protected]>

Author: 2 people

src/dev/storybook/aliases.ts

@@ -17,7 +17,8 @@ export const storybookAliases = {
   canvas: 'x-pack/plugins/canvas/storybook',
   cases: 'packages/kbn-cases-components/.storybook',
   cell_actions: 'src/platform/packages/shared/kbn-cell-actions/.storybook',
-  cloud_security_posture_packages: 'x-pack/packages/kbn-cloud-security-posture/storybook/config',
+  cloud_security_posture_packages:
+    'x-pack/solutions/security/packages/kbn-cloud-security-posture/.storybook',
   cloud: 'packages/cloud/.storybook',
   coloring: 'packages/kbn-coloring/.storybook',
   language_documentation_popover:

x-pack/packages/kbn-cloud-security-posture/storybook/config/tsconfig.json

@@ -9,7 +9,7 @@ import { defaultConfig } from '@kbn/storybook';
 
 module.exports = {
   ...defaultConfig,
-  stories: ['../../**/*.stories.+(tsx|mdx)'],
+  stories: ['../**/*.stories.+(tsx|mdx)'],
   reactOptions: {
     strictMode: true,
   },