Bump github.com/hashicorp/vault/api from 1.8.2 to 1.9.0

Bumps [github.com/hashicorp/vault/api](https://github.com/hashicorp/vault) from 1.8.2 to 1.9.0.
- [Release notes](https://github.com/hashicorp/vault/releases)
- [Changelog](https://github.com/hashicorp/vault/blob/main/CHANGELOG.md)
- [Commits](hashicorp/vault@v1.8.2...v1.9.0)

---
updated-dependencies:
- dependency-name: github.com/hashicorp/vault/api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -3,7 +3,7 @@ module github.com/philips-labs/spiffe-vault
 go 1.18
 
 require (
-	github.com/hashicorp/vault/api v1.8.2
+	github.com/hashicorp/vault/api v1.9.0
 	github.com/peterbourgon/ff/v3 v3.3.0
 	github.com/pkg/errors v0.9.1
 	github.com/spiffe/go-spiffe/v2 v2.1.2
@@ -12,44 +12,28 @@ require (
 
 require (
 	github.com/Microsoft/go-winio v0.6.0 // indirect
-	github.com/armon/go-metrics v0.3.10 // indirect
-	github.com/armon/go-radix v1.0.0 // indirect
 	github.com/cenkalti/backoff/v3 v3.2.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/fatih/color v1.13.0 // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/golang/snappy v0.0.4 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-hclog v1.1.0 // indirect
-	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
-	github.com/hashicorp/go-plugin v1.4.5 // indirect
 	github.com/hashicorp/go-retryablehttp v0.7.0 // indirect
 	github.com/hashicorp/go-rootcerts v1.0.2 // indirect
-	github.com/hashicorp/go-secure-stdlib/mlock v0.1.2 // indirect
 	github.com/hashicorp/go-secure-stdlib/parseutil v0.1.6 // indirect
 	github.com/hashicorp/go-secure-stdlib/strutil v0.1.2 // indirect
 	github.com/hashicorp/go-sockaddr v1.0.2 // indirect
-	github.com/hashicorp/go-uuid v1.0.2 // indirect
-	github.com/hashicorp/go-version v1.4.0 // indirect
-	github.com/hashicorp/golang-lru v0.5.4 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
-	github.com/hashicorp/vault/sdk v0.6.0 // indirect
-	github.com/hashicorp/yamux v0.0.0-20211028200310-0bc27b27de87 // indirect
+	github.com/kr/text v0.2.0 // indirect
 	github.com/mattn/go-colorable v0.1.12 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
-	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
-	github.com/mitchellh/go-testing-interface v1.14.1 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/mitchellh/reflectwalk v1.0.2 // indirect
-	github.com/oklog/run v1.1.0 // indirect
-	github.com/pierrec/lz4 v2.6.1+incompatible // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/ryanuber/go-glob v1.0.0 // indirect
 	github.com/zeebo/errs v1.3.0 // indirect
-	go.uber.org/atomic v1.9.0 // indirect
 	golang.org/x/crypto v0.5.0 // indirect
 	golang.org/x/mod v0.7.0 // indirect
 	golang.org/x/net v0.5.0 // indirect
@@ -60,6 +44,7 @@ require (
 	google.golang.org/genproto v0.0.0-20230109162033-3c3c17ce83e6 // indirect
 	google.golang.org/grpc v1.51.0 // indirect
 	google.golang.org/protobuf v1.28.1 // indirect
+	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 	gopkg.in/square/go-jose.v2 v2.6.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )