Update catalog-info.yaml (#17577)

Fixes an error where this was being treated as a number rather than a string

Author: gtback

catalog-info.yaml

@@ -794,12 +794,12 @@ spec:
           env:
             PIPELINES_TO_TRIGGER: 'logstash-jdk-availability-check-pipeline'
         Weekly JDK availability check (8.19):
-          branch: 8.19
+          branch: "8.19"
           cronline: 0 2 * * 1  # every Monday@2AM UTC
           message: Weekly trigger of JDK update availability pipeline per branch
           env:
             PIPELINES_TO_TRIGGER: 'logstash-jdk-availability-check-pipeline'
 
 # *******************************
 # SECTION END: JDK check pipeline
-# *******************************
+# *******************************