move ext/deps declarations into its own gradle file

 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext {
-        compose_version = '1.2.0'
-        compose_compiler_version = '1.2.0'
-        kotlin_version = '1.7.0'
-        java_version = JavaVersion.VERSION_1_8
-        dokka_version = '1.5.0'
-    }
+    apply from: 'deps.gradle'
     repositories {
         google()
         mavenCentral()
@@ -43,51 +37,6 @@ nexusStaging {
     stagingProfileId = "16b57cbf143daa"
 }
 
-ext {
-    androidSdk = [
-            compileVersion: 32,
-            targetVersion : 32,
-            minVersion    : 21,
-    ]
-    versions = [
-            androidx_core     : "1.8.0",
-            androidx_lifecycle: "2.5.1",
-            autoService       : '1.0.1',
-            dagger            : "2.43",
-            groupie           : "2.9.0",
-            junit             : "4.13.2",
-            junitJupiter      : "5.5.0",
-            coroutines        : "1.6.0",
-            lint              : "30.0.1",
-            protobuf          : "3.19.4",
-    ]
-    generated = [
-            protoSrc: "$projectDir/protocol",
-    ]
-    deps = [
-            auto              : [
-                    'service'           : "com.google.auto.service:auto-service:${versions.autoService}",
-                    'serviceAnnotations': "com.google.auto.service:auto-service-annotations:${versions.autoService}",
-            ],
-            coroutines        : [
-                    "lib" : "org.jetbrains.kotlinx:kotlinx-coroutines-android:${versions.coroutines}",
-                    "test": "org.jetbrains.kotlinx:kotlinx-coroutines-test: ${versions.coroutines}",
-            ],
-            timber            : "com.github.ajalt:timberkt:1.5.1",
-            // lint
-            lint              : "com.android.tools.lint:lint:${versions.lint}",
-            lintApi           : "com.android.tools.lint:lint-api:${versions.lint}",
-            lintChecks        : "com.android.tools.lint:lint-checks:${versions.lint}",
-            lintTests         : "com.android.tools.lint:lint-tests:${versions.lint}",
-
-            // tests
-            junit             : "junit:junit:${versions.junit}",
-            junitJupiterApi   : "org.junit.jupiter:junit-jupiter-api:${versions.junitJupiter}",
-            junitJupiterEngine: "org.junit.jupiter:junit-jupiter-engine:${versions.junitJupiter}",
-    ]
-    annotations = [
-    ]
-}
 afterEvaluate {
     // These aren't supported for snapshots. From nexus staging plugin.
     if (VERSION_NAME.contains("SNAPSHOT")) {

+ext {
+    compose_version = '1.2.1'
+    compose_compiler_version = '1.3.0'
+    kotlin_version = '1.7.10'
+    java_version = JavaVersion.VERSION_1_8
+    dokka_version = '1.5.0'
+    androidSdk = [
+            compileVersion: 32,
+            targetVersion : 32,
+            minVersion    : 21,
+    ]
+    versions = [
+            androidx_core     : "1.8.0",
+            androidx_lifecycle: "2.5.1",
+            autoService       : '1.0.1',
+            dagger            : "2.43",
+            groupie           : "2.9.0",
+            junit             : "4.13.2",
+            junitJupiter      : "5.5.0",
+            coroutines        : "1.6.0",
+            lint              : "30.0.1",
+            protobuf          : "3.19.4",
+    ]
+    generated = [
+            protoSrc: "$projectDir/protocol",
+    ]
+    deps = [
+            auto              : [
+                    'service'           : "com.google.auto.service:auto-service:${versions.autoService}",
+                    'serviceAnnotations': "com.google.auto.service:auto-service-annotations:${versions.autoService}",
+            ],
+            coroutines        : [
+                    "lib" : "org.jetbrains.kotlinx:kotlinx-coroutines-android:${versions.coroutines}",
+                    "test": "org.jetbrains.kotlinx:kotlinx-coroutines-test: ${versions.coroutines}",
+            ],
+            timber            : "com.github.ajalt:timberkt:1.5.1",
+            // lint
+            lint              : "com.android.tools.lint:lint:${versions.lint}",
+            lintApi           : "com.android.tools.lint:lint-api:${versions.lint}",
+            lintChecks        : "com.android.tools.lint:lint-checks:${versions.lint}",
+            lintTests         : "com.android.tools.lint:lint-tests:${versions.lint}",
+
+            // tests
+            junit             : "junit:junit:${versions.junit}",
+            junitJupiterApi   : "org.junit.jupiter:junit-jupiter-api:${versions.junitJupiter}",
+            junitJupiterEngine: "org.junit.jupiter:junit-jupiter-engine:${versions.junitJupiter}",
+    ]
+    annotations = [
+    ]
+}
\ No newline at end of file