Replace some gt- classes with tw- (#29570)

Replace 18 `gt-` prefixes with `tw-` with perl replacement. I manually
checked them all with `rg` afterwards.

templates/package/view.tmpl

@@ -87,7 +87,7 @@
 				{{end}}
 				<div class="divider"></div>
 				<strong>{{ctx.Locale.Tr "packages.versions"}} ({{.TotalVersionCount}})</strong>
-				<a class="gt-float-right" href="{{$.PackageDescriptor.PackageWebLink}}/versions">{{ctx.Locale.Tr "packages.versions.view_all"}}</a>
+				<a class="tw-float-right" href="{{$.PackageDescriptor.PackageWebLink}}/versions">{{ctx.Locale.Tr "packages.versions.view_all"}}</a>
 				<div class="ui relaxed list">
 				{{range .LatestVersions}}
 					<div class="item gt-df">