Fix various typos (#21103)

Found via `codespell -q 3 -S
./options/locale,./options/license,./public/vendor,./web_src/fomantic -L
actived,allways,attachements,ba,befores,commiter,pullrequest,pullrequests,readby,splitted,te,unknwon`

Co-authored-by: techknowlogick <techknowlogick@gitea.io>

models/activities/repo_activity.go

@@ -28,7 +28,7 @@ type ActivityAuthorData struct {
 	Commits    int64  `json:"commits"`
 }
 
-// ActivityStats represets issue and pull request information.
+// ActivityStats represents issue and pull request information.
 type ActivityStats struct {
 	OpenedPRs                   issues_model.PullRequestList
 	OpenedPRAuthorCount         int64

models/packages/package_test.go

@@ -49,7 +49,7 @@ func TestHasOwnerPackages(t *testing.T) {
 	assert.NotNil(t, pv)
 	assert.NoError(t, err)
 
-	// A package with an internal package version gets automaticaly cleaned up and should return false
+	// A package with an internal package version gets automatically cleaned up and should return false
 	has, err = packages_model.HasOwnerPackages(db.DefaultContext, owner.ID)
 	assert.False(t, has)
 	assert.NoError(t, err)

models/repo/repo.go

@@ -27,7 +27,7 @@ import (
 	"xorm.io/builder"
 )
 
-// ErrUserDoesNotHaveAccessToRepo represets an error where the user doesn't has access to a given repo.
+// ErrUserDoesNotHaveAccessToRepo represents an error where the user doesn't has access to a given repo.
 type ErrUserDoesNotHaveAccessToRepo struct {
 	UserID   int64
 	RepoName string