fix(deps): bump github.com/cedar-policy/cedar-go from 1.5.2 to 1.6.0 in the gomod-group group

[dependabot]

Bumps the gomod-group group with 1 update: github.com/cedar-policy/cedar-go.

Updates github.com/cedar-policy/cedar-go from 1.5.2 to 1.6.0

Release notes

Sourced from github.com/cedar-policy/cedar-go's releases.

v1.6.0

What's Changed

• Fix duration parsing to support i64 range and add Makefile targets by @​philhassey in cedar-policy/cedar-go#133
• Add schema validation with corpus-based testing by @​philhassey in cedar-policy/cedar-go#134
• Fix ParseDecimal dropping negative sign for values in (-1, 0) by @​patjakdev in cedar-policy/cedar-go#138
  • This fixes a critical policy parsing bug that could result in incorrect authorization decisions
• Use sumtype:decl on all marker interfaces in the repo by @​patjakdev in cedar-policy/cedar-go#135
• Make marker method implementation more self-documenting by @​patjakdev in cedar-policy/cedar-go#139
• Fix corpus test round-trip failures and achieve Rust escape_debug parity by @​philhassey in cedar-policy/cedar-go#143
• Replace coverage exceptions with corpus-driven validate coverage by @​philhassey in cedar-policy/cedar-go#144
• Schema-guided entity parsing by @​patjakdev in cedar-policy/cedar-go#141
  • This fixes a critical entity parsing bug that could result in incorrect authorization decisions
  • Note: implicit Entity UID parsing in ambiguous situations is now only supported via schema-guided entity parsing (see Entity.UnmarshalJSONWithSchema() and EntityMap.UnmarshalJSONWithSchema() in x/exp/types. It has been removed from the unguided JSON parser, which could break applications that depended on that incorrect behavior.
• Minor cleanup by @​patjakdev in cedar-policy/cedar-go#145

Full Changelog: cedar-policy/cedar-go@v1.5.2...v1.6.0

Commits

• a9a4b1b Merge pull request #145 from strongdm/patjak/cleanup
• e76076f Remove code coverage exception for generated files
• 660a34d Demonstrate support for diagnostics in example_test.go
• 7658a26 Refresh the README:
• daca5cb Merge pull request #141 from strongdm/schema-guided-entity-parsing
• ea3a918 types: make EntityUID UnmarshalJSON more strict and add tests
• c8c5815 Merge pull request #144 from strongdm/2023-03-19-corpus-update
• 2a24272 corpus update
• 770841a x/exp/types: rearrange some of the functions for increased legibility
• 97d7185 x/exp/types: add corpus test for optional attribute coercion
• Additional commits viewable in compare view

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