composer: bump robmorgan/phinx from 0.16.10 to 0.16.11

Bumps [robmorgan/phinx](https://github.com/cakephp/phinx) from 0.16.10 to 0.16.11.
- [Release notes](https://github.com/cakephp/phinx/releases)
- [Commits](cakephp/phinx@0.16.10...0.16.11)

---
updated-dependencies:
- dependency-name: robmorgan/phinx
  dependency-version: 0.16.11
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

composer.json

@@ -4,7 +4,7 @@
     "type": "project",
     "require": {
         "vitexsoftware/ease-core": "^1.50",
-        "robmorgan/phinx": "^0.16.6",
+        "robmorgan/phinx": "^0.16.11",
         "vitexsoftware/ease-fluentpdo": "^1.4"
     },
     "autoload": {