CLOUD-875 Combine xxx-latest and an xxx-version pipelines to use comm…

…on Groovy code (#3041)

* Combine xxx-latest and an xxx-version pipelines to use common Groovy code

* Refactor Jenkins pipeline script to remove redundant commas in shell commands and simplify cluster runner names

* Refactor Jenkins scripts to remove redundant commas in shell command invocations

* Fix test report generation to correctly reference job name

* Fix test report generation to use correct string interpolation for job name

* update platform version checks for consistency and add .history to .gitignore

* Fix newline character in test report generation for consistency

.gitignore

@@ -2,3 +2,4 @@
 .terraform
 *.tfstate*
 .vscode
+.history