chore: Fix typos in comments and tests (#4093)

Author: Kinsue

github/checks.go

@@ -433,7 +433,7 @@ func (s *ChecksService) SetCheckSuitePreferences(ctx context.Context, owner, rep
 	return checkSuitePrefResults, resp, nil
 }
 
-// CreateCheckSuiteOptions sets up parameters to manually create a check suites.
+// CreateCheckSuiteOptions sets up parameters to manually create a check suite.
 type CreateCheckSuiteOptions struct {
 	HeadSHA    string  `json:"head_sha"`              // The sha of the head commit. (Required.)
 	HeadBranch *string `json:"head_branch,omitempty"` // The name of the head branch where the code changes are implemented.

github/gen-iterators.go

@@ -296,7 +296,7 @@ func (t *templateData) processMethods(f *ast.File) error {
 			continue
 		}
 
-		methodInfo, ok := t.isMethodIteratable(fd)
+		methodInfo, ok := t.isMethodIterable(fd)
 		if !ok {
 			continue
 		}
@@ -313,7 +313,7 @@ func (t *templateData) processMethods(f *ast.File) error {
 	return nil
 }
 
-func (t *templateData) isMethodIteratable(fd *ast.FuncDecl) (*methodInfo, bool) {
+func (t *templateData) isMethodIterable(fd *ast.FuncDecl) (*methodInfo, bool) {
 	if !validateMethodShape(fd) {
 		return nil, false
 	}

github/repos_environments_test.go

@@ -46,7 +46,7 @@ func TestRequiredReviewer_UnmarshalJSON(t *testing.T) {
 			wantRule:  []*RequiredReviewer{},
 			wantError: true,
 		},
-		"Wrong Type Type in Reviewer Object": {
+		"Wrong Type in Reviewer Object": {
 			data:      []byte(`[{"type": 1, "reviewer": {"id": 1}}]`),
 			wantRule:  []*RequiredReviewer{{Type: nil, Reviewer: nil}},
 			wantError: true,

scrape/README.md

@@ -8,7 +8,7 @@ for data that cannot be retrieved via the REST or GraphQL APIs.
 
 **Add only what you need.**  Whereas the main go-github library attempts to
 implement the entire GitHub REST API, there is little point in trying to do that
-here.  Certainly, feel free to contribution patches to get data you actually
+here.  Certainly, feel free to contribute patches to get data you actually
 need, but I'd rather not try and provide exhaustive coverage of all GitHub data
 here.