Update pip to 25.3 or greater (#14)

Author: codedmart

Dockerfile

@@ -1,5 +1,7 @@
 FROM python:3.12-slim
 
+RUN python -m pip install --no-cache-dir --upgrade "pip>=25.3"
+
 # Install curl for healthcheck
 RUN apt-get update && \
     apt-get install -y curl git && \

docker/package-restore.sh

@@ -7,6 +7,7 @@ if [ ! -d "venv" ]
 then
   python3 -m venv venv
   . venv/bin/activate
+  pip install --upgrade "pip>=25.3"
   if [ -f "requirements.txt" ]
   then
     pip install -r requirements.txt