Upgrade github actions

Author: pnavaro

.github/workflows/CI.yml

@@ -37,12 +37,12 @@ jobs:
             os: windows-latest
             arch: x64
     steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: julia-actions/cache@v1
+      - uses: julia-actions/cache@v2
         with:
           cache-packages: "false" # Weird interaction with PyCall settings?
       - uses: julia-actions/julia-buildpkg@v1

.github/workflows/Docs.yml

@@ -18,8 +18,8 @@ jobs:
     name: Documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
         with:
           version: '1'
       - uses: julia-actions/julia-docdeploy@v1

.github/workflows/DocsPreviewCleanup.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout gh-pages branch
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           ref: gh-pages
       - name: Delete preview and history + push changes

.github/workflows/Format.yml

@@ -7,7 +7,7 @@ jobs:
   format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@latest
         with:
           version: 1

.github/workflows/JuliaNightly.yml

@@ -34,20 +34,20 @@ jobs:
           - ''
           - python
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: '3.x'
           architecture: ${{ matrix.arch }}
         if: matrix.python
       - run: python -m pip install pot
         if: matrix.python
-      - uses: julia-actions/setup-julia@v1
+      - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         env:
           cache-name: cache-artifacts
         with: