Add optional easy_profiler dependency to the project.

4 jobs from master in 30 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #2771
build_cmake

00:17

 
  Test
failed #2772
run_tests

00:13

 
  Sanitizer
skipped #2774
run_address_sanitizer
skipped #2773
run_thread_sanitizer
 
Test run_tests
compilation terminated.
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make[2]: *** [lib/pls/CMakeFiles/pls.dir/src/pls.cpp.o] Error 1
CMakeFiles/Makefile2:103: recipe for target 'lib/pls/CMakeFiles/pls.dir/all' failed
make[1]: *** [lib/pls/CMakeFiles/pls.dir/all] Error 2
Makefile:140: recipe for target 'all' failed
make: *** [all] Error 2
./ci_scripts/run_tests.sh: line 9: ./bin/tests: No such file or directory
ERROR: Job failed: exit code 1