Add a pip freze to CI job logs

This adds a snapshot of the Python environment to the CI logs for each relevant CI job. This should help when debugging dependency-related issues, as we've got a record of what was installed.

Author: rwb27

.github/workflows/test.yml

@@ -48,6 +48,9 @@ jobs:
       - name: Install Dependencies
         run: pip install -e . -r dev-requirements.txt
 
+      - name: Print installed packages
+        run: pip freeze
+
       - name: Lint with Ruff
         run: ruff check .
 
@@ -92,6 +95,9 @@ jobs:
 
       - name: Install Dependencies
         run: pip install -e .[dev]
+      
+      - name: Print installed packages
+        run: pip freeze
 
       - name: Lint with Ruff
         run: ruff check .
@@ -177,6 +183,9 @@ jobs:
 
       - name: Install LabThings-FastAPI
         run: pip install -e ../labthings-fastapi/labthings-fastapi/
+
+      - name: Print installed packages
+        run: pip freeze
 
       - name: Configure Git identity
         run: |