Upgrade gitops-engine (argoproj#5972)

* fix: upgrade gitops engine

Signed-off-by: kshamajain99 <kshamajain99@gmail.com>

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/TomOnTime/utfutil v0.0.0-20180511104225-09c41003ee1d
 	github.com/alicebob/miniredis v2.5.0+incompatible
 	github.com/alicebob/miniredis/v2 v2.14.2
-	github.com/argoproj/gitops-engine v0.3.1-0.20210325215106-1ce2acc845d2
+	github.com/argoproj/gitops-engine v0.3.1-0.20210405221516-2a9c1448b292
 	github.com/argoproj/pkg v0.2.0
 	github.com/bombsimon/logrusr v1.0.0
 	github.com/bradleyfalzon/ghinstallation v1.1.1

go.sum

@@ -86,8 +86,8 @@ github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239 h1:kFOfPq6dUM1hTo4JG6LR5AXSUEsOjtdm0kw0FtQtMJA=
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
-github.com/argoproj/gitops-engine v0.3.1-0.20210325215106-1ce2acc845d2 h1:SAzMwXM3dXNRam/iuNrvQ56KFA71b3Kcpuc2hzbxJVU=
-github.com/argoproj/gitops-engine v0.3.1-0.20210325215106-1ce2acc845d2/go.mod h1:IBHhAkqlC+3r/wBWUitWSidQhPzlLoSTWp2htq3dyQk=
+github.com/argoproj/gitops-engine v0.3.1-0.20210405221516-2a9c1448b292 h1:ks7zpvEfF7cWwZtq9oJEJ/msBNQP70Kt7ii6Nc0cNgo=
+github.com/argoproj/gitops-engine v0.3.1-0.20210405221516-2a9c1448b292/go.mod h1:IBHhAkqlC+3r/wBWUitWSidQhPzlLoSTWp2htq3dyQk=
 github.com/argoproj/pkg v0.2.0 h1:ETgC600kr8WcAi3MEVY5sA1H7H/u1/IysYOobwsZ8No=
 github.com/argoproj/pkg v0.2.0/go.mod h1:F4TZgInLUEjzsWFB/BTJBsewoEy0ucnKSq6vmQiD/yc=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=