Bump github.com/hashicorp/vault/api from 1.3.0 to 1.3.1

Bumps [github.com/hashicorp/vault/api](https://github.com/hashicorp/vault) from 1.3.0 to 1.3.1.
- [Release notes](https://github.com/hashicorp/vault/releases)
- [Changelog](https://github.com/hashicorp/vault/blob/main/CHANGELOG.md)
- [Commits](https://github.com/hashicorp/vault/compare/v1.3.0...v1.3.1)

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

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

go.mod

@@ -4,9 +4,8 @@ go 1.16
 
 require (
 	github.com/cenkalti/backoff/v3 v3.2.2 // indirect
-	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-retryablehttp v0.7.0 // indirect
-	github.com/hashicorp/vault/api v1.3.0
+	github.com/hashicorp/vault/api v1.3.1
 	github.com/imdario/mergo v0.3.12
 	github.com/pierrec/lz4 v2.6.1+incompatible // indirect
 	go.unistack.org/micro/v3 v3.8.14