Merge branch 'docs-update-vale-spelling' into 'master'

Add a few more words to vale acronym list

See merge request gitlab-org/gitlab!40582

doc/.vale/gitlab/Acronyms.yml

@@ -14,6 +14,7 @@ first: '\b([A-Z]{3,5})\b'
 second: '(?:\b[A-Z][a-z]+ )+\(([A-Z]{3,5})\)'
 # ... with the exception of these:
 exceptions:
+  - ANSI
   - API
   - ARN
   - ASCII
@@ -24,6 +25,7 @@ exceptions:
   - CPU
   - CSS
   - CSV
+  - DAST
   - DNS
   - EKS
   - FAQ
@@ -62,6 +64,7 @@ exceptions:
   - RSA
   - RSS
   - SAML
+  - SAST
   - SCIM
   - SCP
   - SCSS