Jenkinsfile: print environment available to jobs
Jenkinsfile: print environment available to jobs

Prints out the environment variables set by Jenkins for informational purposes.

Signed-off by: Ian Vernon <ian@covalent.io>

gumpt/cilium,cilium/cilium,tgraf/cilium,eloycoto/cilium,tgraf/cilium,tgraf/cilium,michi-covalent/cilium,gumpt/cilium,michi-covalent/cilium,tklauser/cilium,cilium/cilium,eloycoto/cilium,scanf/cilium,eloycoto/cilium,cilium-team/cilium,eloycoto/cilium,scanf/cilium,tklauser/cilium,tgraf/cilium,gumpt/cilium,gumpt/cilium,tklauser/cilium,eloycoto/cilium,eloycoto/cilium,mskarbek/cilium,scanf/cilium,tgraf/cilium,tgraf/cilium,gumpt/cilium,michi-covalent/cilium,scanf/cilium,tklauser/cilium,michi-covalent/cilium,eloycoto/cilium,mskarbek/cilium,michi-covalent/cilium,gumpt/cilium,scanf/cilium,mskarbek/cilium,cilium/cilium,mskarbek/cilium,scanf/cilium,cilium/cilium,gumpt/cilium,cilium-team/cilium,mskarbek/cilium,mskarbek/cilium,scanf/cilium,tklauser/cilium,cilium/cilium