Remove trailing semicolon in Content-Type header

Author: alexzabolotny

src/VCR/LibraryHooks/SoapHook.php

@@ -44,7 +44,7 @@ public function doRequest(string $request, string $location, string $action, int
  $vcrRequest = new Request('POST', $location);
 
  if (\SOAP_1_1 === $version) {
- $vcrRequest->setHeader('Content-Type', 'text/xml; charset=utf-8;');
+ $vcrRequest->setHeader('Content-Type', 'text/xml; charset=utf-8');
  $vcrRequest->setHeader('SOAPAction', $action);
  } else { // >= SOAP_1_2
  $vcrRequest->setHeader(