deps: update vendor dependencies for S3-compatible storage

Updates AWS SDK and removes Blazer B2 dependency in favor of unified
S3-compatible approach. Includes configuration examples and documentation.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

vendor/github.com/aws/aws-sdk-go/service/sso/errors.go

@@ -0,0 +1,44 @@
+// Code generated by private/model/cli/gen-api/main.go. DO NOT EDIT.
+
+package sso
+
+import (
+	"github.com/aws/aws-sdk-go/private/protocol"
+)
+
+const (
+
+	// ErrCodeInvalidRequestException for service response error code
+	// "InvalidRequestException".
+	//
+	// Indicates that a problem occurred with the input to the request. For example,
+	// a required parameter might be missing or out of range.
+	ErrCodeInvalidRequestException = "InvalidRequestException"
+
+	// ErrCodeResourceNotFoundException for service response error code
+	// "ResourceNotFoundException".
+	//
+	// The specified resource doesn't exist.
+	ErrCodeResourceNotFoundException = "ResourceNotFoundException"
+
+	// ErrCodeTooManyRequestsException for service response error code
+	// "TooManyRequestsException".
+	//
+	// Indicates that the request is being made too frequently and is more than
+	// what the server can handle.
+	ErrCodeTooManyRequestsException = "TooManyRequestsException"
+
+	// ErrCodeUnauthorizedException for service response error code
+	// "UnauthorizedException".
+	//
+	// Indicates that the request is not authorized. This can happen due to an invalid
+	// access token in the request.
+	ErrCodeUnauthorizedException = "UnauthorizedException"
+)
+
+var exceptionFromCode = map[string]func(protocol.ResponseMetadata) error{
+	"InvalidRequestException":   newErrorInvalidRequestException,
+	"ResourceNotFoundException": newErrorResourceNotFoundException,
+	"TooManyRequestsException":  newErrorTooManyRequestsException,
+	"UnauthorizedException":     newErrorUnauthorizedException,
+}