[chore] Use static token in GitHub source (#3834)

Also some minor formatting in sources.go

Author: mcastorina

pkg/sources/github/connector_token.go

@@ -30,7 +30,7 @@ func newTokenConnector(apiEndpoint string, token string, handleRateLimit func(co
 	tokenSource := oauth2.StaticTokenSource(&oauth2.Token{AccessToken: token})
 	httpClient.Transport = &oauth2.Transport{
 		Base:   httpClient.Transport,
-		Source: oauth2.ReuseTokenSource(nil, tokenSource),
+		Source: tokenSource,
 	}
 
 	apiClient, err := createGitHubClient(httpClient, apiEndpoint)

pkg/sources/sources.go

@@ -98,15 +98,15 @@ type SourceUnitEnumerator interface {
 	// synchronous but can be called in a goroutine to support concurrent
 	// enumeration and chunking. An error should only be returned from this
 	// method in the case of context cancellation, fatal source errors, or
-	// errors returned by the reporter All other errors related to unit
+	// errors returned by the reporter. All other errors related to unit
 	// enumeration are tracked by the UnitReporter.
 	Enumerate(ctx context.Context, reporter UnitReporter) error
 }
 
 // BaseUnitReporter is a helper struct that implements the UnitReporter interface
 // and includes a JobProgress reference.
 type baseUnitReporter struct {
-	child       UnitReporter
+	child    UnitReporter
 	progress *JobProgress
 }
 
@@ -126,7 +126,6 @@ func (b baseUnitReporter) UnitErr(ctx context.Context, err error) error {
 	return nil
 }
 
-
 // UnitReporter defines the interface a source will use to report whether a
 // unit was found during enumeration. Either method may be called any number of
 // times. Implementors of this interface should allow for concurrent calls.