fix(deps): update module github.com/google/go-github/v84 to v90 - #1481

cannot use deployment (variable of type *"github.com/google/go-github/v90/github".DeploymentRequest) as "github.com/google/go-github/v90/github".DeploymentRequest value in argument to client.Repositories.CreateDeployment

cannot use &[]string{} (value of type *[]string) as []string value in struct literal

cannot use d.Ref (variable of type *string) as string value in struct literal

cannot use transport.Client() (value of type *http.Client) as "github.com/google/go-github/v90/github".ClientOptionsFunc value in argument to github.NewClient

assignment mismatch: 1 variable but github.NewClient returns 2 values

cannot use &http.Client{…} (value of type *http.Client) as "github.com/google/go-github/v90/github".ClientOptionsFunc value in argument to github.NewClient

multiple-value github.NewClient(&http.Client{…}) (value of type (*"github.com/google/go-github/v90/github".Client, error)) in single-value context

cannot use tc (variable of type *http.Client) as "github.com/google/go-github/v90/github".ClientOptionsFunc value in argument to github.NewClient

assignment mismatch: 1 variable but github.NewClient returns 2 values