Fix Actions / Error: This request has been automatically failed because it uses a deprecated version of actions/cache: v2

Please update your workflow to use v3/v4 of actions/cache to avoid interruptions. Learn more: https://github.blog/changelog/2024-12-05-notice-of-upcoming-releases-and-breaking-changes-for-github-actions/#actions-cache-v1-v2-and-actions-toolkit-cache-package-closing-down

Author: razvanphp

.github/workflows/documentation.yml

@@ -21,7 +21,7 @@ jobs:
     - uses: actions/setup-python@v4
       with:
         python-version: 3.x
-    - uses: actions/cache@v2
+    - uses: actions/cache@v4
       with:
         key: ${{ github.ref }}
         path: .cache
@@ -101,14 +101,14 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Cache pip
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
         restore-keys: |
           ${{ runner.os }}-pip-
     - name: Cache PlatformIO
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ~/.platformio
         key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
@@ -142,7 +142,7 @@ jobs:
     - uses: actions/setup-python@v4
       with:
         python-version: 3.x
-    - uses: actions/cache@v2
+    - uses: actions/cache@v4
       with:
         key: ${{ github.ref }}
         path: .cache
@@ -194,7 +194,7 @@ jobs:
     - uses: actions/setup-python@v4
       with:
         python-version: 3.x
-    - uses: actions/cache@v2
+    - uses: actions/cache@v4
       with:
         key: ${{ github.ref }}
         path: .cache

.github/workflows/pio.yml

@@ -20,21 +20,21 @@ jobs:
         example: [examples/ESP/main.cpp, examples/ESP-TLS/main.cpp]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Cache pip
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
         restore-keys: |
           ${{ runner.os }}-pip-
     - name: Cache PlatformIO
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ~/.platformio
         key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
     - name: Set up Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
     - name: Install PlatformIO
       run: |
         python -m pip install --upgrade pip