[map] Upgrade OpenLayers to version 6.3.1

 map.html

@@ -4,7 +4,7 @@
<title>TTSS Kraków - Mapa</title>
<meta charset="utf-8" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width" />
<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.2.1/css/ol.css" integrity="sha384-6Ku0bdGS1If4LlZPWpe2wTx/qu/Y+YJob6lvk4Yi49uWWFqASeOF130VK3KjIPgh" crossorigin="anonymous">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.3.1/css/ol.css" integrity="sha384-6Ku0bdGS1If4LlZPWpe2wTx/qu/Y+YJob6lvk4Yi49uWWFqASeOF130VK3KjIPgh" crossorigin="anonymous">
<link rel="stylesheet" href="map.css?v6" type="text/css" />
<link rel="manifest" href="map.manifest" />
</head>
@@ -19,7 +19,7 @@
</div>
<div id="panel"></div>
<script src="https://polyfill.io/v3/polyfill.min.js?features=Array.prototype.forEach,Array.prototype.includes,Array.prototype.map,Element.prototype.classList,Promise,String.prototype.startsWith,XMLHttpRequest,requestAnimationFrame"></script>
<script src="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.2.1/build/ol.js" integrity="sha384-Dg6Qd9Ovz0HgMsjQJjA+5upeLnRSrseIbJbT86LMVpuzuLfzffIleOxTCHIAUp6y" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/gh/openlayers/openlayers.github.io@master/en/v6.3.1/build/ol.js" integrity="sha384-pOrIhclJOIWlmYwhc69tvE0NTGhH7/oEdC9zrxJ3yyKMR+aCxEVIc4tj51WxVocG" crossorigin="anonymous"></script>
<script tyle="text/javascript" src="lang_pl.js?v10" id="lang_script"></script>
<script tyle="text/javascript" src="common.js?v11"></script>
<script tyle="text/javascript" src="map.js?v25"></script>