fixup! refactor(server): simplify GitHub API usage

Author: LeoColman

maven-binding-builder/src/main/kotlin/io/github/typesafegithub/workflows/mavenbinding/MavenMetadataBuilding.kt

@@ -5,6 +5,7 @@ import io.github.oshai.kotlinlogging.KotlinLogging.logger
 import io.github.typesafegithub.workflows.actionbindinggenerator.domain.ActionCoords
 import io.github.typesafegithub.workflows.actionbindinggenerator.domain.SignificantVersion.FULL
 import io.github.typesafegithub.workflows.shared.internal.model.Version
+import java.time.ZonedDateTime
 import java.time.format.DateTimeFormatter
 import io.github.typesafegithub.workflows.shared.internal.fetchAvailableVersions as defaultFetchAvailableVersions
 
@@ -30,7 +31,7 @@ internal suspend fun ActionCoords.buildMavenMetadataFile(
     val lastUpdated =
         DateTimeFormatter
             .ofPattern("yyyyMMddHHmmss")
-            .format(newest.getReleaseDate())
+            .format(newest.getReleaseDate() ?: ZonedDateTime.now())
     return """
         <?xml version="1.0" encoding="UTF-8"?>
         <metadata>