[CI] Update Github action versions, cache pip

.github/workflows/lint-black.yaml

@@ -13,11 +13,12 @@ jobs:
   black:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: Set up Python 3.9
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: 3.9
+        cache: pip
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip

.github/workflows/lint-darglint.yaml

@@ -13,11 +13,12 @@ jobs:
   darglint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: Set up Python 3.9
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: 3.9
+        cache: pip
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip

.github/workflows/lint-flake8.yaml

@@ -12,11 +12,12 @@ jobs:
   flake8:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: Set up Python 3.9
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: 3.9
+        cache: pip
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip

.github/workflows/lint-isort.yaml

@@ -13,11 +13,12 @@ jobs:
   isort:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: Set up Python 3.9
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: 3.9
+        cache: pip
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip

.github/workflows/lint-pydocstyle.yaml

@@ -14,11 +14,12 @@ jobs:
     if: false
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: Set up Python 3.9
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: 3.9
+        cache: pip
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip

.github/workflows/python-publish.yml

@@ -12,11 +12,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: "3.x"
+          cache: pip
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip

.github/workflows/test.yaml

@@ -19,10 +19,11 @@ jobs:
       matrix:
         python-version: ["3.9"]
     steps:
-    - uses: actions/checkout@v1
-    - uses: actions/setup-python@v1
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
       with:
         python-version: "${{ matrix.python-version }}"
+        cache: pip
     - name: Install Dependencies
       run: |
         python -m pip install --upgrade pip

changelog.md

@@ -11,6 +11,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Deprecate Python 3.8 as it will reach its end of life in October 2024
   ([PR](https://github.com/f-dangel/curvlinops/pull/128))
 
+### Internal
+
+- Update Github action versions and cache `pip`
+  ([PR](https://github.com/f-dangel/curvlinops/pull/129))
+
 ## [2.0.0] - 2024-08-15
 
 This major release is almost fully backward compatible with the `1.x.y` release