Update Vendors (#250)

update go min version

Update Vendors:
 * code.gitea.io/gitea-vet v0.2.0 -> v0.2.1
 * code.gitea.io/sdk/gitea v0.13.0 -> v0.13.1
 * github.com/AlecAivazis/survey v2.1.1 -> v2.2.2
 * github.com/adrg/xdg v0.2.1 -> v0.2.2
 * github.com/araddon/dateparse d820a6159ab1 -> 8aadafed4dc4
 * github.com/go-git/go-git v5.1.0 -> v5.2.0
 * github.com/muesli/termenv v0.7.2 -> v0.7.4
 * github.com/stretchr/testify v1.5.1 -> v1.6.1
 * github.com/urfave/cli v2.2.0 -> v2.3.0

Co-authored-by: 6543 <6543@obermui.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/250
Reviewed-by: Andrew Thornton <art27@cantab.net>
Reviewed-by: mrsdizzie <info@mrsdizzie.com>
Co-Authored-By: 6543 <6543@noreply.gitea.io>
Co-Committed-By: 6543 <6543@noreply.gitea.io>

vendor/gopkg.in/yaml.v3/NOTICE

@@ -0,0 +1,13 @@
+Copyright 2011-2016 Canonical Ltd.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.