feat: add further argument template support (wundergraph#817)

update engine version (wundergraph#815)

fix: merging response nodes (wundergraph#772)

- fix merging response nodes issue leading to "non-nullable field can't
be null" errors
- fix duplicated fetches on complex abstract types queries
- add fetch input to trace for skipped fetches

fix: level of null data propagation (wundergraph#810)

chore: update dependencies (wundergraph#813)

Co-authored-by: spetrunin <[email protected]>

fix: filter type comparison (wundergraph#809)

fix: filter type comparison (wundergraph#809)

fix: improve ws subprotocol selection (wundergraph#795)

chore: improve

fix: list argument explosion (wundergraph#804)