[chore] Bump github.com/minio/minio-go/v7 from 7.0.37 to 7.0.43 (#983)

Bumps [github.com/minio/minio-go/v7](https://github.com/minio/minio-go) from 7.0.37 to 7.0.43.
- [Release notes](https://github.com/minio/minio-go/releases)
- [Commits](https://github.com/minio/minio-go/compare/v7.0.37...v7.0.43)

---
updated-dependencies:
- dependency-name: github.com/minio/minio-go/v7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

vendor/github.com/minio/minio-go/v7/post-policy.go

@@ -32,12 +32,11 @@ const expirationDateFormat = "2006-01-02T15:04:05.999Z"
 //
 // Example:
 //
-//   policyCondition {
-//       matchType: "$eq",
-//       key: "$Content-Type",
-//       value: "image/png",
-//   }
-//
+//	policyCondition {
+//	    matchType: "$eq",
+//	    key: "$Content-Type",
+//	    value: "image/png",
+//	}
 type policyCondition struct {
 	matchType string
 	condition string
@@ -172,10 +171,8 @@ func (p *PostPolicy) SetContentType(contentType string) error {
 
 // SetContentTypeStartsWith - Sets what content-type of the object for this policy
 // based upload can start with.
+// If "" is provided it allows all content-types.
 func (p *PostPolicy) SetContentTypeStartsWith(contentTypeStartsWith string) error {
-	if strings.TrimSpace(contentTypeStartsWith) == "" || contentTypeStartsWith == "" {
-		return errInvalidArgument("No content type specified.")
-	}
 	policyCond := policyCondition{
 		matchType: "starts-with",
 		condition: "$Content-Type",