Use temporary repo for sponge

Author: jpenilla

build-logic/src/main/kotlin/cloud.base-conventions.gradle.kts

@@ -80,10 +80,15 @@ repositories {
     maven("https://maven.fabricmc.net/") {
         mavenContent { includeGroup("net.fabricmc") }
     }
+    maven("https://repo.stellardrift.ca/repository/stable") { // todo: remove this when sponge repo is back up
+        mavenContent { includeGroup("org.spongepowered") }
+    }
     /* The current Sponge repository */
+    /*
     maven("https://repo.spongepowered.org/repository/maven-public/") {
         mavenContent { includeGroup("org.spongepowered") }
     }
+     */
     /* JitPack, used for random dependencies */
     maven("https://jitpack.io") {
         content { includeGroupByRegex("com\\.github\\..*") }