js/lib: update require.js to 2.3.6

Closes #3632.
8 jobs from feature-c/1171-update-libs in 6 minutes and 13 seconds (queued for 1 minute and 9 seconds)
Status Job ID Name Coverage
  Test Tools
passed #237681
test_tools

00:00:07

 
  Test Quality
passed #237682
web
code_quality

00:00:10

 
  Test Unit
passed #237690
web
test_browser_unit

00:00:27

failed #237683
web
test_browser_unit

00:00:08

 
  Deploy Review
passed #237684
web
deploy_review

00:00:15

manual #237685
web allowed to fail manual
stop_deploy_review
 
  Test Functional
passed #237686
web
test_browser-functional

00:03:20

 
  Test Functional External
passed #237687
web
test_browser-functional-external

00:01:51