Update gitea go-sdk to v0.15.0 (#385)

Update "code.gitea.io/sdk/gitea" to latest release

Reviewed-on: https://gitea.com/gitea/tea/pulls/385
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Reviewed-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: 6543 <6543@obermui.de>
Co-committed-by: 6543 <6543@obermui.de>

vendor/github.com/hashicorp/go-version/CHANGELOG.md

@@ -0,0 +1,25 @@
+# 1.3.0 (March 31, 2021)
+
+Please note that CHANGELOG.md does not exist in the source code prior to this release.
+
+FEATURES:
+ - Add `Core` function to return a version without prerelease or metadata ([#85](https://github.com/hashicorp/go-version/pull/85))
+
+# 1.2.1 (June 17, 2020)
+
+BUG FIXES:
+ - Prevent `Version.Equal` method from panicking on `nil` encounter ([#73](https://github.com/hashicorp/go-version/pull/73))
+
+# 1.2.0 (April 23, 2019)
+
+FEATURES:
+ - Add `GreaterThanOrEqual` and `LessThanOrEqual` helper methods ([#53](https://github.com/hashicorp/go-version/pull/53))
+
+# 1.1.0 (Jan 07, 2019)
+
+FEATURES:
+ - Add `NewSemver` constructor ([#45](https://github.com/hashicorp/go-version/pull/45))
+
+# 1.0.0 (August 24, 2018)
+
+Initial release.