build(deps): bump github.com/open-policy-agent/opa from 1.6.0 to 1.8.0

Bumps [github.com/open-policy-agent/opa](https://github.com/open-policy-agent/opa) from 1.6.0 to 1.8.0.
- [Release notes](https://github.com/open-policy-agent/opa/releases)
- [Changelog](https://github.com/open-policy-agent/opa/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-policy-agent/opa/compare/v1.6.0...v1.8.0)

---
updated-dependencies:
- dependency-name: github.com/open-policy-agent/opa
  dependency-version: 1.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

vendor/github.com/segmentio/asm/cpu/cpu.go

@@ -0,0 +1,22 @@
+// Pakage cpu provides APIs to detect CPU features available at runtime.
+package cpu
+
+import (
+	"github.com/segmentio/asm/cpu/arm"
+	"github.com/segmentio/asm/cpu/arm64"
+	"github.com/segmentio/asm/cpu/x86"
+)
+
+var (
+	// X86 is the bitset representing the set of the x86 instruction sets are
+	// supported by the CPU.
+	X86 = x86.ABI()
+
+	// ARM is the bitset representing which parts of the arm instruction sets
+	// are supported by the CPU.
+	ARM = arm.ABI()
+
+	// ARM64 is the bitset representing which parts of the arm64 instruction
+	// sets are supported by the CPU.
+	ARM64 = arm64.ABI()
+)