bump spring_boot_version to 2.7.17 · Netflix/genie@ec39d6f

reference is not a tree: ec39d6fac72f552637baf064c6942d4ef28b0bfa

Git checkout failed with exit code: 128

Exit code 1 returned from process: file name '/home/runner/runners/2.311.0/bin/Runner.PluginHost', arguments 'action "GitHub.Runner.Plugins.Repository.v1_0.CheckoutTask, Runner.Plugins"'.