问如何降低Api级别(32 -> 28)安卓系统？

EN

plugins {
    id 'com.android.application'
    id 'org.jetbrains.kotlin.android'
    //Hilt
    id 'kotlin-kapt'
    id 'dagger.hilt.android.plugin'
}

android {
    compileSdk 32

    defaultConfig {
        applicationId "com.kdapp.estudiapp"
        minSdk 24
        targetSdk 31
        versionCode 1
        versionName "1.1"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
        vectorDrawables {
            useSupportLibrary true
        }
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
    kotlinOptions {
        jvmTarget = '1.8'
    }
    buildFeatures {
        compose true
    }
    composeOptions {
        kotlinCompilerExtensionVersion compose_version
    }
    packagingOptions {
        resources {
            excludes += '/META-INF/{AL2.0,LGPL2.1}'
        }
    }
}
apply plugin: 'com.google.gms.google-services'
dependencies {


    implementation 'androidx.core:core-ktx:1.7.0'
    implementation "androidx.compose.ui:ui:$compose_version"
    implementation "androidx.compose.material:material:$compose_version"
    implementation "androidx.compose.ui:ui-tooling-preview:$compose_version"
    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1'
    implementation 'androidx.activity:activity-compose:1.3.1'
    implementation 'com.google.firebase:firebase-auth-ktx:21.0.6'
    implementation 'com.google.firebase:firebase-firestore-ktx:24.2.1'
    testImplementation 'junit:junit:4.13.2'
    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
    androidTestImplementation "androidx.compose.ui:ui-test-junit4:$compose_version"
    debugImplementation "androidx.compose.ui:ui-tooling:$compose_version"
    debugImplementation "androidx.compose.ui:ui-test-manifest:$compose_version"

    //Firebase
    implementation platform('com.google.firebase:firebase-bom:30.2.0')
    implementation 'com.google.firebase:firebase-analytics-ktx'
    implementation 'com.google.firebase:firebase-auth:21.0.6'
    implementation 'com.google.android.gms:play-services-auth:20.2.0'
    //Firebase -> Storage
    implementation 'com.google.firebase:firebase-storage'


    //Navigation
    implementation 'androidx.navigation:navigation-compose:2.5.0'

    // Coroutines
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4"
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.4"
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-play-services:1.3.5"
    // Hilt DI
    def hilt_lifecycle_viewmodel = "1.0.0-alpha03"
    def hilt_navigation = "1.0.0-alpha03"

    implementation "com.google.dagger:hilt-android:$hilt_version"
    kapt "com.google.dagger:hilt-android-compiler:$hilt_version"
    implementation "androidx.hilt:hilt-lifecycle-viewmodel:$hilt_lifecycle_viewmodel"
    implementation "androidx.hilt:hilt-navigation-compose:$hilt_navigation"
    //GSON
    implementation 'com.google.code.gson:gsoenter code heren:2.9.0'
}