Bump spec_tests/hed-examples from 94dc628 to 64c7c94

Bumps [spec_tests/hed-examples](https://github.com/hed-standard/hed-examples) from `94dc628` to `64c7c94`.
- [Release notes](https://github.com/hed-standard/hed-examples/releases)
- [Commits](hed-standard/hed-examples@94dc628...64c7c94)

---
updated-dependencies:
- dependency-name: spec_tests/hed-examples
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>