Rename CI pipeline to include the version in its name

Closes gh-18844

ci/README.adoc

@@ -11,7 +11,7 @@ The pipeline can be deployed using the following command:
 
 [source]
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-$ fly -t spring-boot set-pipeline -p spring-boot -c ci/pipeline.yml -l ci/parameters.yml
+$ fly -t spring-boot set-pipeline -p spring-boot-2.2.x -c ci/pipeline.yml -l ci/parameters.yml
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 NOTE: This assumes that you have credhub integration configured with the appropriate