security: update SCIM docs for Azure OIDC (#22771)

## Description
- Adds section to SCIM docs for Entra ID/Azure OIDC
- Adds testing section to SCIM doc
- Adds troubleshooting guide for provisioning
- Fixes numbers to 1,1,1 format
- Ignore vale

## Related issues or tickets
https://docker.atlassian.net/browse/ENGDOCS-2648

## Reviews
- [ ] Technical review
- [ ] Editorial review
- [ ] Product review

---------

Co-authored-by: Craig Osterhout <[email protected]>

Author: sarahsanders-docker

.markdownlint.json

@@ -13,7 +13,7 @@
   "no-space-in-code": true,
   "no-space-in-links": true,
   "no-empty-links": true,
-  "ol-prefix": {"style": "ordered"},
+  "ol-prefix": {"style": "one_or_ordered"},
   "no-reversed-links": true,
   "reference-links-images": {
     "shortcut_syntax": false