Bump slim/slim from 3.12.3 to 4.5.0

Bumps [slim/slim](https://github.com/slimphp/Slim) from 3.12.3 to 4.5.0.
- [Release notes](https://github.com/slimphp/Slim/releases)
- [Changelog](https://github.com/slimphp/Slim/blob/4.x/CHANGELOG.md)
- [Commits](slimphp/Slim@3.12.3...4.5.0)

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

Author: dependabot-preview[bot]

composer.json

@@ -18,7 +18,7 @@
         "ext-pgsql": "*",
         "adodb/adodb-php": "^5.20",
         "slim/flash": "^0.4.0",
-        "slim/slim": "^3.6",
+        "slim/slim": "^4.5",
         "slim/twig-view": "~2.5.1",
         "symfony/yaml": "^5.0",
         "twig/twig": "~1.42.4"