Merge pull request #264528 from anaharris-ms/docs-editor/availability-zones-service-sup-1706555369

Central Spain GA - 2/29

Author: prmerger-automator[bot]

articles/reliability/availability-zones-service-support.md

@@ -38,6 +38,8 @@ The following regions currently support availability zones:
 | West US 2 | Sweden Central | | | |
 | West US 3 | Switzerland North | | | |
 | Mexico Central* | Poland Central ||||
+||Spain Central* ||||
+