Merge pull request #87304 from mramendi/pipelines-1.18-version

RHDEVDOCS 6356 set version attributes to 1.18

Author: xenolinux

_attributes/common-attributes.adoc

@@ -12,8 +12,8 @@
 
 :pipelines-title: Red Hat OpenShift Pipelines
 :pipelines-shortname: OpenShift Pipelines
-:pipelines-ver: pipelines-1.17
-:pipelines-version-number: 1.17
+:pipelines-ver: pipelines-1.18
+:pipelines-version-number: 1.18
 :tekton-chains: Tekton Chains
 :tekton-results: Tekton Results
 :tekton-hub: Tekton Hub