Wrap too long push mirror addresses (#21120)

I noticed that it is possible to break the push mirror list by entering
a too long URL. This should fix it.

| Before         | After     | 
|--------------|-----------|

|![Before](https://user-images.githubusercontent.com/15185051/189294585-333965d1-0f0f-48e2-96d5-e04b84b55ae3.png)|![After](https://user-images.githubusercontent.com/15185051/189294619-301e271c-b89b-4bc0-9c11-9536bd0302be.png)|

templates/repo/settings/options.tmpl

@@ -165,7 +165,7 @@
 						{{range .PushMirrors}}
 						<tr>
 							{{$address := MirrorRemoteAddress $.Context $.Repository .GetRemoteName true}}
-							<td>{{$address.Address}}</td>
+							<td class="gt-word-break">{{$address.Address}}</td>
 							<td>{{$.locale.Tr "repo.settings.mirror_settings.direction.push"}}</td>
 							<td>{{if .LastUpdateUnix}}{{DateTime "full" .LastUpdateUnix.FormatLong .LastUpdateUnix.AsTime}}{{else}}{{$.locale.Tr "never"}}{{end}} {{if .LastError}}<div class="ui red label" data-tooltip-content="{{.LastError}}">{{$.locale.Tr "error"}}</div>{{end}}</td>
 							<td class="right aligned">