MissingResourceException deploy on Heroku

I'm getting the MissingResourceException when deploying on Heroku.

I have Spring boot app built on gradle.

Error logs:

Caused by: java.util.MissingResourceException: Can't find bundle for base name text, locale ua
2022-09-06T12:03:45.886746+00:00 app[web.1]:    at java.base/java.util.ResourceBundle.throwMissingResourceException(ResourceBundle.java:2045)
2022-09-06T12:03:45.886799+00:00 app[web.1]:    at java.base/java.util.ResourceBundle.getBundleImpl(ResourceBundle.java:1683)
2022-09-06T12:03:45.886836+00:00 app[web.1]:    at java.base/java.util.ResourceBundle.getBundleImpl(ResourceBundle.java:1586)
2022-09-06T12:03:45.886888+00:00 app[web.1]:    at java.base/java.util.ResourceBundle.getBundleImpl(ResourceBundle.java:1549)
2022-09-06T12:03:45.886923+00:00 app[web.1]:    at java.base/java.util.ResourceBundle.getBundle(ResourceBundle.java:932)
2022-09-06T12:03:45.886976+00:00 app[web.1]:    at com.bootobooter.telegrambottemplate.growschoolbot.language.AvailableLanguage.<init>(AvailableLanguage.java:17)
2022-09-06T12:03:45.887020+00:00 app[web.1]:    at com.bootobooter.telegrambottemplate.growschoolbot.language.AvailableLanguage.<clinit>(AvailableLanguage.java:8)
2022-09-06T12:03:45.887061+00:00 app[web.1]:    ... 6 more

gradle build file

plugins {
    id 'org.springframework.boot' version '3.0.0-M3'
    id 'io.spring.dependency-management' version '1.0.11.RELEASE'
    id 'java'
}

group = 'com.boot-o-booter'
version = '0.0.1'
sourceCompatibility = '18'

configurations {
    compileOnly {
        extendsFrom annotationProcessor
    }
}

repositories {
    mavenCentral()
    maven { url 'https://repo.spring.io/milestone' }
}

dependencies {
    //Spring
    implementation 'org.springframework.boot:spring-boot-starter'
    implementation 'org.springframework.boot:spring-boot-starter-web:2.7.3'


    //Telegram
    implementation 'org.telegram:telegrambots:6.1.0'
    implementation 'org.telegram:telegrambots-abilities:6.1.0'

    //Lombok
    compileOnly 'org.projectlombok:lombok'
    annotationProcessor 'org.projectlombok:lombok'

    //Test
    testImplementation 'org.springframework.boot:spring-boot-starter-test'
}

tasks.named('test') {
    useJUnitPlatform()
}

//sourceSets {
//  main.output.resourcesDir =
//}

Resource bundle loader class code

package com.bootobooter.telegrambottemplate.growschoolbot.language;

import java.util.Locale;
import java.util.ResourceBundle;

public enum AvailableLanguage {

    UA(new Locale("UA")),
    ENG(new Locale("ENG")),
    RU(new Locale("RU"));

    final Locale locale;
    final ResourceBundle bundle;

    AvailableLanguage(Locale locale) {
        this.locale = locale;
        this.bundle = ResourceBundle.getBundle("text", locale);
    }
}

Project structure

Project structure

I've been trying a lot of things like moving files into the classpath, plying with the Procfile and e.t.c

Hope that you guys know what can be wrong, thanks in advance!