Update dependency guzzlehttp/guzzle to v7.3.0

Author: renovate-bot

01-simple-application/web-application/composer.json

@@ -9,7 +9,7 @@
     ],
     "require": {
         "slim/slim": "4.8.0",
-        "guzzlehttp/guzzle": "7.2.0",
+        "guzzlehttp/guzzle": "7.3.0",
         "guzzlehttp/psr7": "1.8.1",
         "http-interop/http-factory-guzzle": "1.2.0"
     }

01-simple-application/web-application/composer.lock

@@ -9,6 +9,6 @@
     ],
     "require": {
         "slim/slim": "4.8.0",
-        "guzzlehttp/guzzle": "6.5.5"
+        "guzzlehttp/guzzle": "7.3.0"
     }
 }