Fix CI wrt master->main, prep for 5.1.1 release

Author: cowtowncoder

.github/workflows/main.yml

@@ -2,15 +2,15 @@ name: Build
 on:
   push:
     branches:
-    - master
+    - main
     - "4.3"
     - "3.0"
     paths-ignore:
     - "README.md"
     - "release-notes/*"
   pull_request:
     branches:
-    - master
+    - main
 permissions:
   contents: read
 jobs:

release-notes/VERSION

@@ -4,7 +4,7 @@ Project: java-uuid-generator
 Releases
 ============================================================================
 
-(not yet released)
+5.1.1 (26-Feb-2025)
 
 #122: RFC-4122 Obsoleted by RFC-9562 (document change)
  (pointed out by @akefirad)