build(deps): bump github.com/open-policy-agent/opa from 0.61.0 to 0.62.1

Bumps [github.com/open-policy-agent/opa](https://github.com/open-policy-agent/opa) from 0.61.0 to 0.62.1.
- [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/v0.61.0...v0.62.1)

---
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] <support@github.com>

vendor/github.com/open-policy-agent/opa/plugins/plugins.go

@@ -7,6 +7,7 @@ package plugins
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	mr "math/rand"
 	"sync"
@@ -24,7 +25,6 @@ import (
 	"github.com/open-policy-agent/opa/hooks"
 	bundleUtils "github.com/open-policy-agent/opa/internal/bundle"
 	cfg "github.com/open-policy-agent/opa/internal/config"
-	"github.com/open-policy-agent/opa/internal/errors"
 	initload "github.com/open-policy-agent/opa/internal/runtime/init"
 	"github.com/open-policy-agent/opa/keys"
 	"github.com/open-policy-agent/opa/loader"