ci: add action that updates dependencies every 6 months

Author: leahaeusel

.github/renovate.json

@@ -0,0 +1,17 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["config:recommended"],
+  "packageRules": [
+    {
+      "matchManagers": ["pip_requirements", "conda"],
+      "groupName": "Python dependencies",
+      "separateMajorMinor": false
+    },
+    {
+      "matchManagers": ["github-actions"],
+      "groupName": "GitHub actions",
+      "separateMajorMinor": false
+    }
+  ],
+  "dependencyDashboard": true
+}

.github/workflows/update_dependencies.yml

@@ -0,0 +1,23 @@
+name: update_dependencies
+on:
+    schedule:
+        - cron: "0 0 1 2 *" # 1st of February at 00:00 UTC
+        - cron: "0 0 1 8 *" # 1st of August at 00:00 UTC
+    push: # TODO: remove this later, only for testing
+jobs:
+    run_renovate:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v6.0.2
+            - name: Run self-hosted Renovate
+              uses: renovatebot/github-action@v43.0.5
+              with:
+                  #   token: ${{ secrets.RENOVATE_TOKEN }}
+                  token: ${{ secrets.RENOVATE_TOKEN_MY_QUEENS_FORK }}
+              env:
+                  #   RENOVATE_REPOSITORIES: "queens-py/queens"
+                  RENOVATE_REPOSITORIES: "leahaeusel/queens"
+                  RENOVATE_BRANCH_PREFIX: "renovate-action/"
+                  LOG_LEVEL: "debug"
+                  RENOVATE_BASE_BRANCH_PATTERNS: "main-with-renovate-comments"

environment.yml

@@ -6,16 +6,24 @@ channels:
 # be listed explicitly here.
   - nodefaults
 dependencies:
+  # renovate: datasource=conda depName=conda-forge/python
   - python==3.11
 # to ensure that performance optimized backends are used,
 # the following packages are installed from conda
 # for example BLAS libraries like Intel MKL for numpy
+  # renovate: datasource=conda depName=conda-forge/cython
   - cython==3.0.11
+  # renovate: datasource=conda depName=conda-forge/numba
   - numba==0.60.0
+  # renovate: datasource=conda  depName=conda-forge/numpy
   - numpy==1.26.4
+  # renovate: datasource=conda depName=conda-forge/pandas
   - pandas==2.2.3
+  # renovate: datasource=conda depName=conda-forge/scikit-learn
   - scikit-learn==1.5.2
+  # renovate: datasource=conda depName=conda-forge/scipy
   - scipy==1.14.1
+  # renovate: datasource=conda depName=conda-forge/libopenblas
   - libopenblas==0.3.28
 # required for jupyter notebook integration into the sphinx documentation
   - pandoc