deps: bump datatables.net from 2.3.6 to 2.3.7

Bumps [datatables.net](https://github.com/DataTables/Dist-DataTables) from 2.3.6 to 2.3.7.
- [Release notes](https://github.com/DataTables/Dist-DataTables/releases)
- [Commits](DataTables/Dist-DataTables@2.3.6...2.3.7)

---
updated-dependencies:
- dependency-name: datatables.net
  dependency-version: 2.3.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]