chore(deps): bump github.com/open-policy-agent/opa in the go-deps group

Bumps the go-deps group with 1 update: [github.com/open-policy-agent/opa](https://github.com/open-policy-agent/opa).


Updates `github.com/open-policy-agent/opa` from 1.18.0 to 1.18.2
- [Release notes](https://github.com/open-policy-agent/opa/releases)
- [Changelog](https://github.com/open-policy-agent/opa/blob/main/CHANGELOG.md)
- [Commits](open-policy-agent/opa@v1.18.0...v1.18.2)

---
updated-dependencies:
- dependency-name: github.com/open-policy-agent/opa
  dependency-version: 1.18.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: go-deps
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

go.mod

@@ -4,7 +4,7 @@ go 1.26.4
 
 require (
 	github.com/mark3labs/mcp-go v0.55.1
-	github.com/open-policy-agent/opa v1.18.0
+	github.com/open-policy-agent/opa v1.18.2
 )
 
 require (

go.sum

@@ -71,8 +71,8 @@ github.com/miekg/dns v1.1.57 h1:Jzi7ApEIzwEPLHWRcafCN9LZSBbqQpxjt/wpgvg7wcM=
 github.com/miekg/dns v1.1.57/go.mod h1:uqRjCRUuEAA6qsOiJvDd+CFo/vW+y5WR6SNmHE55hZk=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
-github.com/open-policy-agent/opa v1.18.0 h1:UpLUsGa/dQtj+XNUw2hUkdPty2A0Kd9bE5ab0fw7tm4=
-github.com/open-policy-agent/opa v1.18.0/go.mod h1:9GY+hER4ZEXtxPlMjftVbqJJY9xLtCD3Q0oufRCfAKo=
+github.com/open-policy-agent/opa v1.18.2 h1:VBiLJpioTuk7XTW1JoQi4ILo+FVxD2/8uD8iP9/OcxY=
+github.com/open-policy-agent/opa v1.18.2/go.mod h1:9GY+hER4ZEXtxPlMjftVbqJJY9xLtCD3Q0oufRCfAKo=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_golang v1.23.2 h1:Je96obch5RDVy3FDMndoUsjAhG5Edi49h0RJWRi/o0o=