Bump Golang 1.13.11
full diff: https://github.com/golang/go/compare/go1.13.10...go1.13.11
go1.13.11 (released 2020/05/14) includes fixes to the compiler. See the Go 1.13.11
milestone on the issue tracker for details:
https://github.com/golang/go/issues?q=milestone%3AGo1.13.11+label%3ACherryPickApproved
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 90758fb028148eb2565417d6ce96e454e07284b7)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>