bump version to 5.1.1

Author: clemiller

CHANGELOG.md

@@ -9,14 +9,18 @@
     The creation of the tag can be disabled with the --no-git-tag-version if desired.
 -->
 
+# 5.1.1 - 1 July 2025
+
+## Fixes
+- Fixed layer upgrade pagination button visibility in dark mode. See issue [#678](https://github.com/mitre-attack/attack-navigator/issues/678).
+
 # 5.1.0 - 14 August 2024
 
 ## Improvements
 - Refactored the `layers/` directory structure to organize Layer File Formats into versioned subdirectories and removed outdated layer samples. See pull request [#649](https://github.com/mitre-attack/attack-navigator/pull/649).
 - Improved toolbar for better usability. See issue [#534](https://github.com/mitre-attack/attack-navigator/issues/534).
 - Updated Angular from v14 to v17.
 
-
 # 5.0.1 - 9 May 2024
 
 ## Fixes

nav-app/package-lock.json

@@ -5,7 +5,7 @@
     "type": "git",
     "url": "https://github.com/mitre-attack/attack-navigator.git"
   },
-  "version": "5.1.0",
+  "version": "5.1.1",
   "license": "Apache-2.0",
   "scripts": {
     "ng": "ng",