refactor: rename package errors to zerrors (#7039)

* chore: rename package errors to zerrors

* rename package errors to gerrors

* fix error related linting issues

* fix zitadel error assertion

* fix gosimple linting issues

* fix deprecated linting issues

* resolve gci linting issues

* fix import structure

---------

Co-authored-by: Elio Bischof <elio@zitadel.com>

internal/zerrors/generate/error.go.tmpl

@@ -0,0 +1,34 @@
+package errors
+
+import (
+	"fmt"
+)
+
+var (
+	_ {{.ErrorName}} = (*{{.ErrorName}}Error)(nil)
+	_ Error    = (*{{.ErrorName}}Error)(nil)
+)
+
+type {{.ErrorName}} interface {
+	error
+	Is{{.ErrorName}}()
+}
+
+type {{.ErrorName}}Error struct {
+	*CaosError
+}
+
+func Throw{{.ErrorName}}(parent error, id, message string) error {
+	return &{{.ErrorName}}Error{CreateCaosError(parent, id, message)}
+}
+
+func Throw{{.ErrorName}}f(parent error, id, format string, a ...interface{}) error {
+	return Throw{{.ErrorName}}(parent, id, fmt.Sprintf(format, a...))
+}
+
+func (err *{{.ErrorName}}Error) Is{{.ErrorName}}() {}
+
+func Is{{.ErrorName}}(err error) bool {
+	_, ok := err.({{.ErrorName}})
+	return ok
+}