Update dependency python-dotenv to v0.21.1

Pipfile

@@ -9,7 +9,7 @@ name = "pypi"
 
 [packages]
 flask = "==2.0.3"
-python-dotenv = "==0.17.1"
+python-dotenv = "==0.21.1"
 flask-migrate = "==3.0.1"
 flask-sqlalchemy  = "==2.5.1"
 sqlalchemy = "==1.4.53"

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "0217ed4699e72f05ed4a0d1aa4d1a29a76d21b54bc9c2ca18677130e2296b7ac"
+            "sha256": "b591aa2fead1b8f8a58dd7fc8fe41e9b85912c2291713b01d1bfe72791d60cf3"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -266,11 +266,12 @@
         },
         "python-dotenv": {
             "hashes": [
-                "sha256:00aa34e92d992e9f8383730816359647f358f4a3be1ba45e5a5cefd27ee91544",
+                "sha256:1c93de8f636cde3ce377292818d0e440b6e45a82f215c3744979151fa8151c49",
-                "sha256:b1ae5e9643d5ed987fc57cc2583021e38db531946518130777734f9589b3141f"
+                "sha256:41e12e0318bebc859fcc4d97d4db8d20ad21721a6aa5047dd59f090391cb549a"
             ],
             "index": "pypi",
-            "version": "==0.17.1"
+            "markers": "python_version >= '3.7'",
+            "version": "==0.21.1"
         },
         "pyyaml": {
             "hashes": [
@@ -827,11 +828,11 @@
         },
         "setuptools": {
             "hashes": [
-                "sha256:b208925fcb9f7af924ed2dc04708ea89791e24bde0d3020b27df0e116088b34e",
+                "sha256:0274581a0037b638b9fc1c6883cc71c0210865aaa76073f7882376b641b84e8f",
-                "sha256:d59a3e788ab7e012ab2c4baed1b376da6366883ee20d7a5fc426816e3d7b1193"
+                "sha256:a85e96b8be2b906f3e3e789adec6a9323abf79758ecfa3065bd740d81158b11e"
             ],
             "markers": "python_version >= '3.8'",
-            "version": "==73.0.1"
+            "version": "==74.0.0"
         },
         "toml": {
             "hashes": [