### Summary

While templating a JSON file where the JSON was created as part of a template (without using `to_json`) and where a macro was used to template some repeated parts, we found out that the generated JSON file was invalid JSON after switching from ansible-core 2.12 to ansible-core 2.13.

The problem seems to be that if the output of a macro looks like something that could be a Pyhon `repr()` result, it is converted back to Python datastructures.

### Issue Type

Bug Report

### Component Name

templar

### Ansible Version

```console
2.13.0
devel branch
```


### Configuration

```console
default
```


### OS / Environment

Linux

### Steps to Reproduce

```.bash
ansible localhost -m debug -a "msg='{% macro foo() %}{ "'"'"foo"'"'": "'"'"bar"'"'" }{% endmacro %}Test: {{ foo() }}'"
```
Or as a task:
```.yaml
- hosts: localhost
  tasks:
  - debug:
      msg: >-
        {% macro foo() %}{ "foo": "bar" }{% endmacro %}Test: {{ foo() }}
```


### Expected Results

```
"Test: {\"foo\": \"bar\"}"
```

### Actual Results

```console
"Test: {'foo': 'bar'}"
```
(This has `'` instead of `"`, so this isn't valid JSON.)
```


### Code of Conduct

- [X] I agree to follow the Ansible Code of Conduct
if self._ansible_plugins_loaded:
            return
        for plugin in self._pluginloader.all():
            try:
                method_map = getattr(plugin, self._method_map_name)
                self._delegatee.update(method_map())
            except Exception as e:
                display.warning("Skipping %s plugin %s as it seems to be invalid: %r" % (self._dirname, to_text(plugin._original_path), e))
                continue
        if self._pluginloader.class_name == 'FilterModule':
            for plugin_name, plugin in self._delegatee.items():
                if plugin_name in C.STRING_TYPE_FILTERS:
                    self._delegatee[plugin_name] = _wrap_native_text(plugin)
                else:
                    self._delegatee[plugin_name] = _unroll_iterator(plugin)
        self._ansible_plugins_loaded = True
    
    
    def __getitem__(self, key):