feat: unify names in strucvar filtration background database exac/gnomad (#307)

[holtgrewe]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 78.94737% with 8 lines in your changes are missing coverage. Please review.

Project coverage is 80.98%. Comparing base (d85e9a1) to head (0f06a17).
Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #308      +/-   ##
==========================================
- Coverage   81.21%   80.98%   -0.24%     
==========================================
  Files          44       44              
  Lines        5978     6010      +32     
==========================================
+ Hits         4855     4867      +12     
- Misses       1123     1143      +20     

Files	Coverage Δ
src/strucvars/query/interpreter.rs	94.07% <100.00%> (+0.05%)	⬆️
src/strucvars/query/schema.rs	77.56% <ø> (ø)
src/strucvars/txt_to_bin/cli.rs	100.00% <100.00%> (ø)
src/strucvars/query/bgdbs.rs	81.51% <65.21%> (-1.53%)	⬇️

... and 3 files with indirect coverage changes