Bump AWS libraries to latest

Signed-off-by: Davanum Srinivas <davanum@gmail.com>

vendor/github.com/aws/aws-sdk-go/internal/ini/visitor.go

@@ -50,7 +50,10 @@ func (v *DefaultVisitor) VisitExpr(expr AST) error {
 
 			rhs := children[1]
 
-			if rhs.Root.Type() != TokenLit {
+			// The right-hand value side the equality expression is allowed to contain '[', ']', ':', '=' in the values.
+			// If the token is not either a literal or one of the token types that identifies those four additional
+			// tokens then error.
+			if !(rhs.Root.Type() == TokenLit || rhs.Root.Type() == TokenOp || rhs.Root.Type() == TokenSep) {
 				return NewParseError("unexpected token type")
 			}