Update dependency waitress to v2.1.2

Pipfile

@@ -13,7 +13,7 @@ python-dotenv = "==0.17.1"
 flask-migrate = "==3.0.1"
 flask-sqlalchemy  = "==2.5.1"
 sqlalchemy = "==1.4.53"
-waitress = "==2.0.0"
+waitress = "==2.1.2"
 pyyaml = "==6.0.2"
 flask-cors = "==3.0.10"
 ldap3 = "==2.9.1"

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "ff85ee1b8ae09d6a2434aef272ddb21328d95f45cf9b1dae06c8c87d696d9960"
+            "sha256": "409cf4bfc7d4c79a175bd984f13f645665bbfe9282a887f62c79cc0852fe1d44"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -401,12 +401,12 @@
         },
         "waitress": {
             "hashes": [
-                "sha256:29af5a53e9fb4e158f525367678b50053808ca6c21ba585754c77d790008c746",
-                "sha256:69e1f242c7f80273490d3403c3976f3ac3b26e289856936d1f620ed48f321897"
+                "sha256:7500c9625927c8ec60f54377d590f67b30c8e70ef4b8894214ac6e4cad233d2a",
+                "sha256:780a4082c5fbc0fde6a2fcfe5e26e6efc1e8f425730863c04085769781f51eba"
             ],
             "index": "pypi",
-            "markers": "python_full_version >= '3.6.0'",
-            "version": "==2.0.0"
+            "markers": "python_full_version >= '3.7.0'",
+            "version": "==2.1.2"
         },
         "werkzeug": {
             "hashes": [