build(deps): bump github.com/open-policy-agent/opa from 1.1.0 to 1.2.0

Bumps [github.com/open-policy-agent/opa](https://github.com/open-policy-agent/opa) from 1.1.0 to 1.2.0.
- [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/v1.1.0...v1.2.0)

---
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] <support@github.com>

vendor/github.com/open-policy-agent/opa/internal/strvals/parser.go

@@ -148,8 +148,6 @@ func (t *parser) key(data map[string]interface{}) error {
 				return err
 			}
 			return fmt.Errorf("key %q has no value", string(k))
-			//set(data, string(k), "")
-			//return err
 		case last == '[':
 			// We are in a list index context, so we need to set an index.
 			i, err := t.keyIndex()
@@ -168,7 +166,7 @@ func (t *parser) key(data map[string]interface{}) error {
 			set(data, kk, list)
 			return err
 		case last == '=':
-			//End of key. Consume =, Get value.
+			// End of key. Consume =, Get value.
 			// FIXME: Get value list first
 			vl, e := t.valList()
 			switch e {