Add CI run running on oldest supported versions of core dependencie

.github/workflows/ci.yml

@@ -33,6 +33,7 @@ jobs:
       - uses: pre-commit/action@v3.0.1
         with:
           extra_args: --files $(git diff origin/main --name-only)
+
   tests:
     runs-on: ${{ matrix.os }}
     needs: lint
@@ -42,6 +43,7 @@ jobs:
           - os: ubuntu-latest
             python-version: "3.10"
             install-method: mamba
+            extra-args: ["oldest-deps"]
 
           - os: ubuntu-latest
             python-version: "3.10"
@@ -127,7 +129,12 @@ jobs:
           pip install -e .[tests]
           pip install ./test_plugin
           pip freeze
-          pip list
+
+      - uses: actions/upload-artifact@v4
+        if: contains(matrix.extra-args, 'oldest-deps') && contains(github.event.pull_request.labels.*.name, 'documentation-only') == false
+        run: |
+          mamba install -y numpy=1.24 numba=0.56 scipy=1.10 astropy=5.3 matplotlib=3.6
+          mamba list
 
       - name: ctapipe-info
         if: contains(github.event.pull_request.labels.*.name, 'documentation-only') == false

environment.yml

@@ -19,7 +19,7 @@ dependencies:
   - jupyter
   - matplotlib
   - numba>=0.56
-  - numpy>=1.22
+  - numpy>=1.24
   - numpydoc
   - pandas
   - pypandoc

pyproject.toml

@@ -36,14 +36,14 @@ dependencies = [
     "eventio >=1.9.1, <2.0.0a0",
     "iminuit >=2",
     "joblib",
-    "matplotlib ~=3.0",
+    "matplotlib ~=3.5",
     "numba >=0.56",
-    "numpy >=1.23,<3.0.0a0",
+    "numpy >=1.24,<3.0.0a0",
     "psutil",
     "pyyaml >=5.1",
     "requests",
     "scikit-learn !=1.4.0", # 1.4.0 breaks with astropy tables, before and after works
-    "scipy ~=1.2",
+    "scipy ~=1.10",
     "tables ~=3.4",
     "tqdm >=4.32",
     "traitlets ~=5.6",