Bump github.com/hashicorp/errwrap from 1.0.0 to 1.1.0 (#72)

Bumps [github.com/hashicorp/errwrap](https://github.com/hashicorp/errwrap) from 1.0.0 to 1.1.0.
- [Release notes](https://github.com/hashicorp/errwrap/releases)
- [Commits](hashicorp/errwrap@v1.0.0...v1.1.0)

---
updated-dependencies:
- dependency-name: github.com/hashicorp/errwrap
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -2,4 +2,4 @@ module github.com/hashicorp/go-multierror
 
 go 1.13
 
-require github.com/hashicorp/errwrap v1.0.0
+require github.com/hashicorp/errwrap v1.1.0

go.sum

@@ -1,2 +1,2 @@
-github.com/hashicorp/errwrap v1.0.0 h1:hLrqtEDnRye3+sgx6z4qVLNuviH3MR5aQ0ykNJa/UYA=
-github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
+github.com/hashicorp/errwrap v1.1.0 h1:OxrOeh75EUXMY8TBjag2fzXGZ40LB6IKw45YeGUDY2I=
+github.com/hashicorp/errwrap v1.1.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=