Update update.json

The next release will include a map file, so I guess I have to add it here too...
Update project jquery.eliminator-slajdow to v3.1.37
Merge pull request #2598 from jsdelivrbot/jquery.eliminator-slajdow/v3.1.37

Update project jquery.eliminator-slajdow to v3.1.37
Merge pull request #2597 from mar10/patch-2

Update update.json