Pin scala steward to v1.24

Author: mkurz

.scala-steward.conf

@@ -1,9 +1,9 @@
 // really slow dependency updates, please
 pullRequests.frequency = "90 days"
 
-updates.ignore = [
-  // Releases after 1.7 require JDK 11
-  // https://github.com/google/google-java-format/releases/tag/google-java-format-1.8
-  { groupId = "com.google.googlejavaformat", artifactId = "google-java-format" }
+updates.pin = [
+  // Releases after 1.24.x require JDK 17
+  // https://github.com/google/google-java-format/releases/tag/v1.25.0
+  { groupId = "com.google.googlejavaformat", artifactId = "google-java-format", version = "1.24." }
 ]
 commits.message = "bump: ${artifactName} ${nextVersion} (was ${currentVersion})"