build(deps): bump github.com/xanzy/go-gitlab from 0.19.0 to 0.20.0

Bumps [github.com/xanzy/go-gitlab](https://github.com/xanzy/go-gitlab) from 0.19.0 to 0.20.0.
- [Release notes](https://github.com/xanzy/go-gitlab/releases)
- [Changelog](https://github.com/xanzy/go-gitlab/blob/master/CHANGELOG.md)
- [Commits](https://github.com/xanzy/go-gitlab/compare/v0.19.0...v0.20.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

2 files changed, 4 insertions, 4 deletions

diff --git a/Gopkg.lock b/Gopkg.lock
index 1d80b862..32192025 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -345,12 +345,12 @@
   version = "v1.0.0"
 
 [[projects]]
-  digest = "1:33f31f1c13617634ff0da960c79293c604b6c22b32c9a95bcea5f6007666042d"
+  digest = "1:4df0865c985d97d4b9a0167cd4479ae65771b311eb01129d327b18c36cd2cdbc"
   name = "github.com/xanzy/go-gitlab"
   packages = ["."]
   pruneopts = "UT"
-  revision = "ee3313ca5478c4786248d63dd75e4cd8e1fad2db"
-  version = "v0.19.0"
+  revision = "fcd8d439c0592fd6f8720585994e7e10323be78a"
+  version = "v0.20.0"
 
 [[projects]]
   branch = "master"
diff --git a/Gopkg.toml b/Gopkg.toml
index b22319fb..34e9d1ed 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -74,4 +74,4 @@
 
 [[constraint]]
   name = "github.com/xanzy/go-gitlab"
-  version = "0.19.0"
+  version = "0.20.0"