[mod]: Bump gopkg.in/src-d/go-git.v4 from 4.8.0 to 4.10.0 (#6662)

Bumps [gopkg.in/src-d/go-git.v4](https://github.com/src-d/go-git) from 4.8.0 to 4.10.0.
- [Release notes](https://github.com/src-d/go-git/releases)
- [Commits](src-d/go-git@v4.8.0...v4.10.0)

Author: sapk

go.mod

@@ -128,7 +128,7 @@ require (
 	gopkg.in/macaron.v1 v1.3.2
 	gopkg.in/redis.v2 v2.3.2 // indirect
 	gopkg.in/src-d/go-billy.v4 v4.3.0 // indirect
-	gopkg.in/src-d/go-git.v4 v4.8.0
+	gopkg.in/src-d/go-git.v4 v4.10.0
 	gopkg.in/testfixtures.v2 v2.5.0
 	mvdan.cc/xurls/v2 v2.0.0
 	strk.kbt.io/projects/go/libravatar v0.0.0-20160628055650-5eed7bff870a

go.sum

@@ -354,6 +354,8 @@ gopkg.in/src-d/go-git-fixtures.v3 v3.1.1 h1:XWW/s5W18RaJpmo1l0IYGqXKuJITWRFuA45i
 gopkg.in/src-d/go-git-fixtures.v3 v3.1.1/go.mod h1:dLBcvytrw/TYZsNTWCnkNF2DSIlzWYqTe3rJR56Ac7g=
 gopkg.in/src-d/go-git.v4 v4.8.0 h1:dDEbgvfNG9vUDM54uhCYPExiGa8uYgXpQ/MR8YvxcAM=
 gopkg.in/src-d/go-git.v4 v4.8.0/go.mod h1:Vtut8izDyrM8BUVQnzJ+YvmNcem2J89EmfZYCkLokZk=
+gopkg.in/src-d/go-git.v4 v4.10.0 h1:NWjTJTQnk8UpIGlssuefyDZ6JruEjo5s88vm88uASbw=
+gopkg.in/src-d/go-git.v4 v4.10.0/go.mod h1:Vtut8izDyrM8BUVQnzJ+YvmNcem2J89EmfZYCkLokZk=
 gopkg.in/stretchr/testify.v1 v1.2.2 h1:yhQC6Uy5CqibAIlk1wlusa/MJ3iAN49/BsR/dCCKz3M=
 gopkg.in/stretchr/testify.v1 v1.2.2/go.mod h1:QI5V/q6UbPmuhtm10CaFZxED9NreB8PnFYN9JcR6TxU=
 gopkg.in/testfixtures.v2 v2.5.0 h1:N08B7l2GzFQenyYbzqthDnKAA+cmb17iAZhhFxr7JHw=