chore: bump submodules (#630)

Issue #, if available:

*Description of changes:*
- Bump finch-core to point to version that has this PR's fix, see it's
notes for more details
  - runfinch/finch-core#189

*Testing done:*
 - Tested on my Windows machine


- [x] I've reviewed the guidance in CONTRIBUTING.md


#### License Acceptance

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 license.

Signed-off-by: Justin Alvarez <[email protected]>