GitQL: allar útgáfur og eldri útgáfur

Screenshot 2026-03-09 at 19 46 06
- Support = operator between Raw expressions.
- Support != operator between Raw expressions.
- Migrate to Gix 0.80.0.
- Fix out of index panic when groups length is zero.
- Handling optional commit author and committer.
- Add interval to supported types.

- Support postgresql syntax of intervals.
- Migrate to Gix 0.74.1.

- Implement Group Comparison Expression Expr <Op> <ALL | ANY | SOME> Expr.
- Implement Group Comparison Expression for Int, Float, Text, and Bool types.
- Implement Group Comparison Expression for Date, Time and DateTime types.
- Improve the unresolved table error message.
- Fix the number of required arguments error message.
- Fix type checker case of variant.