Bump github.com/google/go-github from v59 to v60

[quike]

https://github.com/google/go-github/releases/tag/v60.0.0

CHANGELOG

go-githubapp ❯ ./godelw verify                                                                         
Downloading https://github.com/palantir/godel/releases/download/v2.105.0/godel-2.105.0.tgz to /Users/empirl/.godel/downloads/godel-2.105.0-14198.tgz...
/Users/empirl/.godel/downloads/godel-2.10 100%[=====================================================================================>]  26.93M  7.38MB/s    in 4.8s    
Running format...
Running mod...
Running license...
Running check...
Running compiles...
Finished compiles
Running errcheck...
Finished errcheck
Running deadcode...
Finished deadcode
Running golint...
Finished golint
Running govet...
Finished govet
Running importalias...
Finished importalias
Running ineffassign...
Finished ineffassign
Running outparamcheck...
Finished outparamcheck
Running unconvert...
Finished unconvert
Running varcheck...
Finished varcheck
Running test...
?       github.com/palantir/go-githubapp/example        [no test files]
?       github.com/palantir/go-githubapp/oauth2         [no test files]
ok      github.com/palantir/go-githubapp/appconfig      0.288s
ok      github.com/palantir/go-githubapp/githubapp      0.307s

[palantirtech]

Thanks for your interest in palantir/go-githubapp, @quike! Before we can accept your pull request, you need to sign our contributor license agreement - just visit https://cla.palantir.com/ and follow the instructions. Once you sign, I'll automatically update this pull request.

[bluekeyes]

Thanks!