Declare repositories for all projects (#976)

Author: vnickolov

build.gradle

@@ -15,6 +15,12 @@ apply plugin: 'base'
 allprojects {
     group = 'org.opencypher'
     version = ver.self
+
+    // Gradle version-catalog-update has to be able to resolve the dependencies.
+    repositories {
+        mavenCentral()
+        mavenLocal()
+    }
 }
 
 apply from: 'build.licenses.gradle'
@@ -23,11 +29,6 @@ subprojects {
     apply plugin: 'scala'
     apply plugin: 'java-library'
 
-    repositories {
-        mavenCentral()
-        mavenLocal()
-    }
-
     dependencies {
         implementation libs.scala.library