chore: bump github.com/open-policy-agent/opa from 0.67.1 to 0.68.0

Bumps [github.com/open-policy-agent/opa](https://github.com/open-policy-agent/opa) from 0.67.1 to 0.68.0.
- [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@v0.67.1...v0.68.0)

---
updated-dependencies:
- dependency-name: github.com/open-policy-agent/opa
  dependency-type: indirect
...

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

go.mod

@@ -187,7 +187,7 @@ require (
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f // indirect
-	github.com/open-policy-agent/opa v0.67.1 // indirect
+	github.com/open-policy-agent/opa v0.68.0 // indirect
 	github.com/owenrumney/squealer v1.2.3 // indirect
 	github.com/package-url/packageurl-go v0.1.3 // indirect
 	github.com/pelletier/go-toml v1.9.5 // indirect

go.sum

@@ -970,8 +970,8 @@ github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7J
 github.com/onsi/gomega v1.9.0/go.mod h1:Ho0h+IUsWyvy1OpqCwxlQ/21gkhVunqlU8fDGcoTdcA=
 github.com/onsi/gomega v1.31.0 h1:54UJxxj6cPInHS3a35wm6BK/F9nHYueZ1NVujHDrnXE=
 github.com/onsi/gomega v1.31.0/go.mod h1:DW9aCi7U6Yi40wNVAvT6kzFnEVEI5n3DloYBiKiT6zk=
-github.com/open-policy-agent/opa v0.67.1 h1:rzy26J6g1X+CKknAcx0Vfbt41KqjuSzx4E0A8DAZf3E=
-github.com/open-policy-agent/opa v0.67.1/go.mod h1:aqKlHc8E2VAAylYE9x09zJYr/fYzGX+JKne89UGqFzk=
+github.com/open-policy-agent/opa v0.68.0 h1:Jl3U2vXRjwk7JrHmS19U3HZO5qxQRinQbJ2eCJYSqJQ=
+github.com/open-policy-agent/opa v0.68.0/go.mod h1:5E5SvaPwTpwt2WM177I9Z3eT7qUpmOGjk1ZdHs+TZ4w=
 github.com/opencontainers/go-digest v0.0.0-20170106003457-a6d0ee40d420/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=
 github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
 github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=