### Godot version

72b59325cf7beba7e6e9170cf6023a079fd58672

### System information

Windows 11, 22H2

### Issue description

There is an error emitting at editor and project startup: 
![image](https://github.com/godotengine/godot/assets/3036176/18062a93-3243-410e-8fb3-645dea184aea)

Looks like a regression after https://github.com/godotengine/godot/pull/76836, (it's happening on Windows after instalment by default). There should be a way to fix it, either by disable that error or providing a link where that certificate can be downloaded and installed.

### Steps to reproduce

Simply run any project or editor.

### Minimal reproduction project

No need, too easy to reproduce.
return memnew(CryptoKeyMbedTLS);
}
Error CryptoKeyMbedTLS::load(String p_path, bool p_public_only) {
	ERR_FAIL_COND_V_MSG(locks, ERR_ALREADY_IN_USE, "Key is in use");
	PackedByteArray out;
	Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ);
	ERR_FAIL_COND_V_MSG(f.is_null(), ERR_INVALID_PARAMETER, "Cannot open CryptoKeyMbedTLS file '" + p_path + "'.");
	uint64_t flen = f->get_length();
	out.resize(flen + 1);
	f->get_buffer(out.ptrw(), flen);
	out.write[flen] = 0; 
	int ret = 0;
	if (p_public_only) {
		ret = mbedtls_pk_parse_public_key(&pkey, out.ptr(), out.size());
	} else {
		ret = mbedtls_pk_parse_key(&pkey, out.ptr(), out.size(), nullptr, 0);
	}
	
	mbedtls_platform_zeroize(out.ptrw(), out.size());
	ERR_FAIL_COND_V_MSG(ret, FAILED, "Error parsing key '" + itos(ret) + "'.");
	public_only = p_public_only;
	return OK;
}
Error CryptoKeyMbedTLS::save(String p_path, bool p_public_only) {