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==24.0.*",
+    "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 = "==24.0.*" },
+    { name = "gunicorn", specifier = "==23.0.*" },
     { name = "psycopg", specifier = "==3.2.*" },
     { name = "requests", specifier = "==2.32.*" },
 ]
@@ -202,14 +202,14 @@ wheels = [
 
 [[package]]
 name = "gunicorn"
-version = "24.0.0"
+version = "23.0.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "packaging" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/10/c5/ceaef8b5f19629161a0aa4a4af9a185fcf80bf0faf9f015900c37cbb837c/gunicorn-24.0.0.tar.gz", hash = "sha256:7f6c916308740942586f49f14cf3743bdfc4130c29520c42706f42fa5a2dacdb", size = 277750, upload-time = "2026-01-23T00:37:11.856Z" }
+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/d7/52/b757a35f115b0273f62b8557435e7b867424d0d7e363808e3413d62da49a/gunicorn-24.0.0-py3-none-any.whl", hash = "sha256:30401647ed4f162a3f7e5b8b3ed77e6e88d9a4ea5599f1ff31f7f54a7610339c", size = 110616, upload-time = "2026-01-23T00:37:10.179Z" },
+    { 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]]