updating release notes for release

RogerKratz · RogerKratz · commit 7729a58b204d · 2024-02-07T14:40:18.000+01:00
diff --git a/Src/ReleaseNotes.txt b/Src/ReleaseNotes.txt
@@ -1,4 +1,4 @@
-=== vNext ===
+=== v5.5.1 (v 5.5.1.0), 2024-02-07, NH 5.5.0 ===
 
 ** New Feature
 * #50 Async support
