Update dependency flask-cors to v4

.drone.yml

@@ -15,7 +15,7 @@ trigger:
 
 steps:
   - name: install-lint-test
-    image: python:3.8.19-alpine@sha256:c2f31d16113f2c1152934d321855c9f0169143dff96d716dada19e0047d6ddee
+    image: python:3.8.19-alpine@sha256:3bd7ea88cb637e09d6c7de24c5394657163a85c2be82bfebe0305cf07f8de1ea
     env:
       PYROOT: '/pyroot'
       PYTHONUSERBASE: '/pyroot'
@@ -26,16 +26,6 @@ steps:
       - pipenv run flake8
       - pipenv run reuse lint
       - pipenv run python -m unittest discover ki
-  - name: docker-dry-run
-    image: plugins/docker:20.18.4@sha256:a8d3d86853c721492213264815f1d00d3ed13f42f5c1855a02f47fa4d5f1e042
-    settings:
-      registry: git.wtf-eg.de
-      repo: git.wtf-eg.de/kompetenzinventar/backend
-      target: ki-backend
-      dry_run: true
-    when:
-      event:
-        - pull_request
 
 ---
 kind: pipeline
@@ -103,7 +93,7 @@ trigger:
 
 steps:
   - name: install-lint-test
-    image: python:3.8.19-alpine@sha256:c2f31d16113f2c1152934d321855c9f0169143dff96d716dada19e0047d6ddee
+    image: python:3.8.19-alpine@sha256:3bd7ea88cb637e09d6c7de24c5394657163a85c2be82bfebe0305cf07f8de1ea
     env:
       PYROOT: '/pyroot'
       PYTHONUSERBASE: '/pyroot'

Dockerfile

@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
-FROM python:3.8.19-alpine@sha256:c2f31d16113f2c1152934d321855c9f0169143dff96d716dada19e0047d6ddee AS builder
+FROM python:3.8.19-alpine@sha256:3bd7ea88cb637e09d6c7de24c5394657163a85c2be82bfebe0305cf07f8de1ea AS builder
 
 ENV PYROOT=/pyroot
 ENV PYTHONUSERBASE=$PYROOT
@@ -20,7 +20,7 @@ RUN PIP_USER=1 PIP_IGNORE_INSTALLED=1 pipenv install --system --deploy --ignore-
 RUN pip3 uninstall --yes pipenv
 
 
-FROM python:3.8.19-alpine@sha256:c2f31d16113f2c1152934d321855c9f0169143dff96d716dada19e0047d6ddee AS ki-backend
+FROM python:3.8.19-alpine@sha256:3bd7ea88cb637e09d6c7de24c5394657163a85c2be82bfebe0305cf07f8de1ea AS ki-backend
 
 ENV PYROOT=/pyroot
 ENV PYTHONUSERBASE=$PYROOT

Pipfile

@@ -15,7 +15,7 @@ flask-sqlalchemy  = "==2.5.1"
 sqlalchemy = "==1.4.53"
 waitress = "==2.1.2"
 pyyaml = "==6.0.2"
-flask-cors = "==5.0.0"
+flask-cors = "==4.0.2"
 ldap3 = "==2.9.1"
 pymysql = "==1.1.1"
 werkzeug = "==2.3.8"

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "c7c51d821de23f17e5623bd82defc446f61a8ad85a86a7206dc97d1c4d4f2b10"
+            "sha256": "e2bda51c632732a11fba1fed34f0ab567ef05acad2a58c01f043f38612a050cd"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -51,11 +51,11 @@
         },
         "flask-cors": {
             "hashes": [
-                "sha256:5aadb4b950c4e93745034594d9f3ea6591f734bb3662e16e255ffbf5e89c88ef",
-                "sha256:b9e307d082a9261c100d8fb0ba909eec6a228ed1b60a8315fd85f783d61910bc"
+                "sha256:38364faf1a7a5d0a55bd1d2e2f83ee9e359039182f5e6a029557e1f56d92c09a",
+                "sha256:493b98e2d1e2f1a4720a7af25693ef2fe32fbafec09a2f72c59f3e475eda61d2"
             ],
             "index": "pypi",
-            "version": "==5.0.0"
+            "version": "==4.0.2"
         },
         "flask-migrate": {
             "hashes": [