v1.6.0-envoy-2

Features and Fixes

• Fixing broken link to OPA docs by @johanfylling in #734
• Source peer principal as a policy input variable by @tjons in #732

Dependency Updates

• build(deps): bump github.com/open-policy-agent/opa from 1.5.1 to 1.6.0 by @johanfylling in #742. See the OPA v1.6.0 release notes
• build: bump golang from 1.24.3 to 1.24.4 by @srenatus in #720
• build(deps): bump golang.org/x/tools from 0.33.0 to 0.34.0 in #721
• build(deps): bump google.golang.org/grpc from 1.72.2 to 1.73.0 in #719
• build(deps): bump github.com/go-viper/mapstructure/v2 from 2.2.1 to 2.3.0 in #737
• build(deps): bump go.opentelemetry.io deps to 1.36.0/0.61.0 in #736

Miscellaneous

• Replace deprecated golint with golang-ci lint by @akashsawan1 in #722
• Reenable intrange linter and fix its violations by @akashsawan1 in #739
• Reenable govet linter and fix its violations by @akashsawan1 in #738
• Reenable revive linter and fix its violations by @akashsawan1 in #740
• Reenable gosimple linter and fix its violations by @akashsawan1 in #741
• Reenable errcheck linter and fix violations by @tjons in #733