versions: rename atip to telco-cloud (#890 fix)

This was renamed in 6de6b01 and somehow
missed in the #890 backport of #887

Author: hardys

asciidoc/edge-book/versions.adoc

@@ -54,7 +54,7 @@
 // == Release Tags ==
 :release-tag-eib: release-1.2
 :release-tag-edge-charts: release-3.3
-:release-tag-atip: release-3.3
+:release-tag-telco-cloud: release-3.3
 :release-tag-fleet-examples: release-3.3.0
 :release-tag-rancher: v2.11.3