Restrict create_test_subset to GVCFs and CRAMs

[illusional]

• Also sneaky fix for graphql analysis.project.name

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 66.66667% with 9 lines in your changes missing coverage. Please review.

Project coverage is 80.36%. Comparing base (8679159) to head (c9c4103).

Files	Patch %	Lines
api/routes/analysis.py	30.76%	9 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #852 +/- ## ========================================== + Coverage 80.19% 80.36% +0.16% ========================================== Files 169 169 Lines 14338 14336 -2 ========================================== + Hits 11499 11521 +22 + Misses 2839 2815 -24 ```

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