Update mockery/mockery requirement from 1.4.* || 1.5.* to 1.4.* || 1.5.* || 1.6.*

---
updated-dependencies:
- dependency-name: mockery/mockery
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

composer.json

@@ -14,7 +14,7 @@
   },
   "require": {
     "php": ">=8.0",
-    "mockery/mockery": "1.4.* || 1.5.*",
+    "mockery/mockery": "1.4.* || 1.5.* || 1.6.*",
     "predis/predis": "1.1.* || 2.0.* || 2.1.*",
     "ext-sysvsem": "*",
     "ext-sysvshm": "*"