Add 0.34.1 to modules.txt

Author: sfang97

vendor/modules.txt

@@ -228,9 +228,9 @@ github.com/ulikunitz/xz/lzma
 # github.com/vmihailenco/msgpack v4.0.1+incompatible
 github.com/vmihailenco/msgpack
 github.com/vmihailenco/msgpack/codes
-# github.com/xanzy/go-gitlab v0.32.1
+# github.com/xanzy/go-gitlab v0.34.1
 ## explicit
-github.com/xanzy/go-gitlab
+github.com/xanzy/go-gitlab v0.34.1
 # github.com/zclconf/go-cty v1.2.1
 github.com/zclconf/go-cty/cty
 github.com/zclconf/go-cty/cty/convert