Add CI_JOB_NAME to rspec_profiling output filename

Having the CI_JOB_NAME in the filename would have made it much easier to
track down the failing CSV file in
https://gitlab.com/gitlab-org/gitlab/issues/120012. We would have been
able to go to the job in question and download the artifacts directly
instead of downloading all artifacts from the pipeline.

config/initializers/rspec_profiling.rb

@@ -60,6 +60,9 @@ RspecProfiling.configure do |config|
     RspecProfiling::VCS::Git.prepend(RspecProfilingExt::Git)
     RspecProfiling::Run.prepend(RspecProfilingExt::Run)
     config.collector = RspecProfilingExt::Collectors::CSVWithTimestamps
-    config.csv_path = -> { "rspec_profiling/#{Time.now.to_i}-#{SecureRandom.hex(8)}-rspec-data.csv" }
+    config.csv_path = -> do
+      prefix = "#{ENV['CI_JOB_NAME']}-".tr(' ', '-') if ENV['CI_JOB_NAME']
+      "rspec_profiling/#{prefix}#{Time.now.to_i}-#{SecureRandom.hex(8)}-rspec-data.csv"
+    end
   end
 end