build: bump edc-build plugin version

Author: ndr-brt

gradle/libs.versions.toml

@@ -96,5 +96,5 @@ azure-storageblob = { group = "com.azure", name = "azure-storage-blob", version
 [bundles]
 
 [plugins]
-edc-build = { id = "org.eclipse.edc.edc-build", version = "0.0.3" }
+edc-build = { id = "org.eclipse.edc.edc-build", version = "0.1.0-alpha6" }
 shadow = { id = "com.gradleup.shadow", version = "8.3.6" }