chore(deps): bump cakephp/cakephp from 3.8.7 to 3.10.3

Bumps [cakephp/cakephp](https://github.com/cakephp/cakephp) from 3.8.7 to 3.10.3.
- [Release notes](https://github.com/cakephp/cakephp/releases)
- [Commits](cakephp/cakephp@3.8.7...3.10.3)

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

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

Author: dependabot[bot]

composer.json

@@ -14,7 +14,7 @@
         "ext-pdo_mysql": "*",
         "ext-pdo_pgsql": "*",
         "ext-redis": "*",
-        "cakephp/cakephp": "3.8.7",
+        "cakephp/cakephp": "3.10.3",
         "mobiledetect/mobiledetectlib": "2.*",
         "cakephp/migrations": "^2.0.0",
         "cakephp/plugin-installer": "*",