test(calendar-web): add TZ to test script, update snapshot

Author: rahmanunver

packages/pluggableWidgets/calendar-web/package.json

@@ -41,7 +41,7 @@
         "publish-marketplace": "rui-publish-marketplace",
         "release": "pluggable-widgets-tools release:web",
         "start": "pluggable-widgets-tools start:server",
-        "test": "jest --projects jest.config.js",
+        "test": "cross-env TZ=UTC jest --projects jest.config.js",
         "update-changelog": "rui-update-changelog-widget",
         "verify": "rui-verify-package-format"
     },

packages/pluggableWidgets/calendar-web/src/__tests__/__snapshots__/Calendar.spec.tsx.snap

@@ -860,7 +860,7 @@ exports[`Calendar renders correctly with basic props 1`] = `
                 </div>
                 <div
                   class="rbc-current-time-indicator"
-                  style="top: 58.333333333333336%;"
+                  style="top: 50%;"
                 />
               </div>
               <div
@@ -2721,7 +2721,7 @@ exports[`Calendar renders correctly with basic props 1`] = `
               </div>
               <div
                 class="rbc-current-time-indicator"
-                style="top: 58.333333333333336%;"
+                style="top: 50%;"
               />
             </div>
             <div