CI: same action versions as the rest of the org; README: CI badge

Author: Edrzapi

.github/workflows/ci.yml

@@ -17,10 +17,10 @@ jobs:
     # steps: run in order. "uses" runs a published action, "run" runs shell commands.
     steps:
       - name: Check out this repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v7
         # with: the inputs the action takes.
         with:
           python-version: "3.13"
@@ -75,15 +75,15 @@ jobs:
       DATABASE_URL: ${{ matrix.database == 'postgresql' && 'postgresql://library:library@localhost:5432/library' || 'sqlite:///library.db' }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Check out the contract
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           repository: devfoundry-training/Library_API_Contract
           path: contract
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v7
         with:
           python-version: "3.13"
 

README.md

@@ -1,5 +1,7 @@
 # Library API: FastAPI
 
+[![CI](https://github.com/devfoundry-training/Library_API_FastAPI/actions/workflows/ci.yml/badge.svg)](https://github.com/devfoundry-training/Library_API_FastAPI/actions/workflows/ci.yml)
+
 Part of the DevFoundry Library API series: one REST API for a small library (books, members, loans and fines),
 built the same way in several stacks. This repository is the Python version, with FastAPI, Pydantic v2,
 SQLAlchemy 2.0 and Alembic. It follows the shared