Update dependency flask-cors to v4

Pipfile

@@ -15,7 +15,7 @@ flask-sqlalchemy  = "==2.5.1"
 sqlalchemy = "==1.4.53"
 waitress = "==2.1.2"
 pyyaml = "==6.0.2"
-flask-cors = "==3.0.10"
+flask-cors = "==4.0.1"
 ldap3 = "==2.9.1"
 pymysql = "==1.1.1"
 werkzeug = "==2.3.8"

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "701ece99277177da8e5adf857508e3b83e00e1f75bd20509b370bbe0bd8c008f"
+            "sha256": "3a49baff54988e0e34d3347515b2dbb64e45715111cc08eed460478cf206b832"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -51,11 +51,11 @@
         },
         "flask-cors": {
             "hashes": [
-                "sha256:74efc975af1194fc7891ff5cd85b0f7478be4f7f59fe158102e91abb72bb4438",
-                "sha256:b60839393f3b84a0f3746f6cdca56c1ad7426aa738b70d6c61375857823181de"
+                "sha256:eeb69b342142fdbf4766ad99357a7f3876a2ceb77689dc10ff912aac06c389e4",
+                "sha256:f2a704e4458665580c074b714c4627dd5a306b333deb9074d0b1794dfa2fb677"
             ],
             "index": "pypi",
-            "version": "==3.0.10"
+            "version": "==4.0.1"
         },
         "flask-migrate": {
             "hashes": [
@@ -341,14 +341,6 @@
             "markers": "python_version >= '3.8'",
             "version": "==6.0.2"
         },
-        "six": {
-            "hashes": [
-                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
-                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==1.16.0"
-        },
         "sqlalchemy": {
             "hashes": [
                 "sha256:0465b8a68f8f4de754c1966c45b187ac784ad97bc9747736f913130f0e1adea0",