Update postgres Docker tag to v18

.github/workflows/python-app.yml

@@ -12,7 +12,7 @@ jobs:
 
     services:
       database:
-        image: postgres:17-alpine
+        image: postgres:18-alpine
         env:
           # password for postgres user in the Docker container
           POSTGRES_PASSWORD: postgres

pyproject.toml

@@ -11,7 +11,7 @@ requires-python = ">= 3.10"
 license = "GPL-3.0-only"
 license-files = ["LICENSE.txt"]
 dependencies = [
-    "gunicorn==25.0.*",
+    "gunicorn==23.0.*",
     "falcon==4.1.*",
     "psycopg==3.2.*",
     "requests==2.32.*",

uv.lock

@@ -104,7 +104,7 @@ dev = [
 requires-dist = [
     { name = "falcon", specifier = "==4.1.*" },
     { name = "falcon-swagger-ui", git = "https://github.com/alanorth/falcon-swagger-ui?rev=falcon3-update-swagger-ui" },
-    { name = "gunicorn", specifier = "==25.0.*" },
+    { name = "gunicorn", specifier = "==23.0.*" },
     { name = "psycopg", specifier = "==3.2.*" },
     { name = "requests", specifier = "==2.32.*" },
 ]
@@ -202,14 +202,14 @@ wheels = [
 
 [[package]]
 name = "gunicorn"
-version = "25.0.1"
+version = "23.0.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "packaging" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/9e/83/e8327358129ca4dffd4fa6b6004aa5085dc80e913dec9b253401d6bd23ad/gunicorn-25.0.1.tar.gz", hash = "sha256:573e053aa950246e307ea908bd7ddce1870d41a40aec0c935938c586f0b9b946", size = 9693127, upload-time = "2026-02-02T13:34:05.767Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/34/72/9614c465dc206155d93eff0ca20d42e1e35afc533971379482de953521a4/gunicorn-23.0.0.tar.gz", hash = "sha256:f014447a0101dc57e294f6c18ca6b40227a4c90e9bdb586042628030cba004ec", size = 375031, upload-time = "2024-08-10T20:25:27.378Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/e0/dc/f1da097b7e0de5cd7552c10667305879093125cd62ff7372ad07d184ed8f/gunicorn-25.0.1-py3-none-any.whl", hash = "sha256:23cbe968c6ae3c8efc3d118c8353fa0763efc2102d89d0d3cea696cede7ff6b1", size = 169961, upload-time = "2026-02-02T13:34:02.744Z" },
+    { url = "https://files.pythonhosted.org/packages/cb/7d/6dac2a6e1eba33ee43f318edbed4ff29151a49b5d37f080aad1e6469bca4/gunicorn-23.0.0-py3-none-any.whl", hash = "sha256:ec400d38950de4dfd418cff8328b2c8faed0edb0d517d3394e457c317908ca4d", size = 85029, upload-time = "2024-08-10T20:25:24.996Z" },
 ]
 
 [[package]]