vale: add otel, grafana to vocabulary

Signed-off-by: David Karlsson <[email protected]>

Author: dvdksn

.github/vale/config/vocabularies/Docker/accept.txt

@@ -54,6 +54,7 @@ GeoNetwork
 Git
 GitHub( Actions)?
 Google
+Grafana
 HTTP
 HyperKit
 IPs?
@@ -77,6 +78,7 @@ Nginx
 Nuxeo
 OAuth
 OCI
+OTel
 Okta
 Postgres
 PowerShell