CI: update github-pages-deploy-action to v4

Author: LaurentRDC

.github/workflows/gh-pages.yml

@@ -17,8 +17,8 @@ jobs:
       uses: haskell/actions/setup@v1
       id: setup-haskell
       with:
-        ghc-version: '9.2.1'
-        cabal-version: '3.6.2.0'
+        ghc-version: '9.2.4'
+        cabal-version: '3.8.1.0'
 
     - name: Set PATH for cabal-installed executables
       run: |
@@ -39,7 +39,7 @@ jobs:
 
     - uses: actions/setup-python@v2
       with:
-        python-version: '3.9'
+        python-version: '3.10'
 
     - name: Cache cabal work
       uses: actions/cache@v2
@@ -49,7 +49,7 @@ jobs:
           ${{ steps.setup-haskell.outputs.cabal-store }}
         key: ${{ runner.os }}-${{ hashFiles('cabal.project.freeze') }}-cabal-install-v2
 
-    - uses: actions/cache@v2
+    - uses: actions/cache@v3
       name: Cache Python build artifacts
       with:
         path: ~/.cache/pip
@@ -83,9 +83,9 @@ jobs:
         mv -v MANUAL.html theme.css plots build
 
     - name: Deploy
-      uses: JamesIves/github-pages-deploy-action@3.7.1
+      uses: JamesIves/github-pages-deploy-action@4
       with:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        BRANCH: gh-pages
-        FOLDER: docs/build
-        CLEAN: true
+        token: ${{ secrets.GITHUB_TOKEN }}
+        branch: gh-pages
+        folder: docs/build
+        clean: true