fix rego version handling

[gertd]

Incorrect usage of OPA ast.RegoVersionFromInt which handle int=1 as ast.RegoV1 and int=0 as ast.RegoV0, but does not handle ast.RegoV0CompatV1

[coveralls]

Coverage Report for CI Build 26154920636

Coverage decreased (-0.05%) to 20.466%

Details

• Coverage decreased (-0.05%) from the base build.
• Patch coverage: 8 uncovered changes across 1 file (3 of 11 lines covered, 27.27%).
• No coverage regressions found.

Uncovered Changes

File	Changed	Covered	%
build.go	11	3	27.27%

Coverage Regressions

No coverage regressions found.

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Coverage Stats

Relevant Lines:	1588
Covered Lines:	325
Line Coverage:	20.47%
Coverage Strength:	0.22 hits per line

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💛 - Coveralls