fix link escaping

Author: wxiaoguang

templates/repo/code/upstream_diverging_info.tmpl

@@ -1,7 +1,7 @@
 {{if and .UpstreamDivergingInfo .UpstreamDivergingInfo.CommitsBehind}}
 <div class="ui message flex-text-block">
 	<div class="tw-flex-1">
-		{{$upstreamLink := printf "%s/src/branch/%s" .Repository.BaseRepo.Link .BranchName}}
+		{{$upstreamLink := printf "%s/src/branch/%s" .Repository.BaseRepo.Link (.BranchName|PathEscapeSegments)}}
 		{{$upstreamHtml := HTMLFormat `<a href="%s">%s:%s</a>` $upstreamLink .Repository.BaseRepo.FullName .BranchName}}
 		{{ctx.Locale.TrN .UpstreamDivergingInfo.CommitsBehind "repo.pulls.upstream_diverging_prompt_behind_1" "repo.pulls.upstream_diverging_prompt_behind_n" .UpstreamDivergingInfo.CommitsBehind $upstreamHtml}}
 	</div>