chore(deps): bump github.com/open-policy-agent/opa from 0.33.1 to 0.38.1 (#9)

Bumps [github.com/open-policy-agent/opa](https://github.com/open-policy-agent/opa) from 0.33.1 to 0.38.1.
- [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@v0.33.1...v0.38.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

go.mod

@@ -3,22 +3,17 @@ module github.com/chen-keinan/go-opa-validate
 go 1.17
 
 require (
-	github.com/open-policy-agent/opa v0.33.1
+	github.com/open-policy-agent/opa v0.38.1
 	gopkg.in/yaml.v2 v2.4.0
 )
 
 require (
 	github.com/OneOfOne/xxhash v1.2.8 // indirect
 	github.com/ghodss/yaml v1.0.0 // indirect
 	github.com/gobwas/glob v0.2.3 // indirect
-	github.com/golang/mock v1.6.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
 	github.com/yashtewari/glob-intersection v0.0.0-20180916065949-5c77d914dd0b // indirect
-	golang.org/x/mod v0.4.2 // indirect
-	golang.org/x/sys v0.0.0-20210823070655-63515b42dcdf // indirect
-	golang.org/x/tools v0.1.2 // indirect
-	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 )