Update specs with new names for crashtracking tags

Author: ivoanjo

spec/datadog/core/crashtracking/component_spec.rb

@@ -232,7 +232,7 @@
           crash_report = JSON.parse(request.body, symbolize_names: true)[:payload].first
 
           expect(crash_report[:stack_trace]).to_not be_empty
-          expect(crash_report[:tags]).to include('signum:11', 'signame:SIGSEGV')
+          expect(crash_report[:tags]).to include('si_signo:11', 'si_signo_human_readable:SIGSEGV')
 
           crash_report_message = JSON.parse(crash_report[:message], symbolize_names: true)
 
@@ -285,7 +285,7 @@
           crash_report = JSON.parse(request.body, symbolize_names: true)[:payload].first
 
           expect(crash_report[:stack_trace]).to_not be_empty
-          expect(crash_report[:tags]).to include('signum:11', 'signame:SIGSEGV')
+          expect(crash_report[:tags]).to include('si_signo:11', 'si_signo_human_readable:SIGSEGV')
 
           crash_report_message = JSON.parse(crash_report[:message], symbolize_names: true)