Switch from FG to archloom + essential-gradle-toolkit

- Upgrade Gradle to 8.7
- Increase build daemon max memory to 8GB because archloom can compile a lot
  more projects at the same time.
- Disable Minecraft 1.8 (not 1.8.9) because archloom fails to set up for that

versions/1.12.2/src/main/java/com/replaymod/core/ReplayModBackend.java

@@ -27,8 +27,6 @@ import static com.replaymod.core.versions.MCVer.getMinecraft;
 
 @Mod(modid = ReplayMod.MOD_ID,
         useMetadata = true,
-        version = "@MOD_VERSION@",
-        acceptedMinecraftVersions = "@MC_VERSION@",
         acceptableRemoteVersions = "*",
         //#if MC>=10800
         clientSideOnly = true,