update GHA versions and fix keepcachefresh

Author: fonsp

.github/workflows/ExportNotebooks.yml

@@ -13,31 +13,31 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Checkout Fall 24 source
-              uses: actions/checkout@v2
+              uses: actions/checkout@v4
 
             - name: 🙌 Install Julia
-              uses: julia-actions/setup-julia@v1
+              uses: julia-actions/setup-julia@v2
               with:
                   version: "1.10.4"
 
             - name: ⏱ Cache notebook states
-              uses: actions/cache@v2
+              uses: actions/cache@v4
               with:
                 path: _cache
                 key: ${{ runner.os }}-pluto_state_cache-v3-${{ hashFiles('**/Project.toml', '**/Manifest.toml') }}-${{ github.run_id }}
                 restore-keys: |
                     ${{ runner.os }}-pluto_state_cache-v3-${{ hashFiles('**/Project.toml', '**/Manifest.toml') }}
 
             - name: ⏱ Cache .julia
-              uses: actions/cache@v2
+              uses: actions/cache@v4
               with:
                 path: ~/.julia
                 key: ${{ runner.os }}-dotjulia-v1-${{ hashFiles('**/Project.toml', '**/Manifest.toml') }}-${{ github.run_id }}
                 restore-keys: |
                     ${{ runner.os }}-dotjulia-v1-${{ hashFiles('**/Project.toml', '**/Manifest.toml') }}
 
             - name: 📅 Checkout Fall20, Spring21, Fall22, Fall23 output
-              uses: actions/checkout@v2
+              uses: actions/checkout@v4
               with:
                   path: Fall23-output
                   ref: Fall23-output
@@ -51,7 +51,7 @@ jobs:
 
 
             - name: 📰 Upload site generation report
-              uses: actions/upload-artifact@v2
+              uses: actions/upload-artifact@v4
               if: always()
               with:
                 path: generation_report.html
@@ -67,8 +67,8 @@ jobs:
                 mv extra_outputs/* www
 
             - name: 🚀 Deploy to GitHub Pages
-              uses: JamesIves/github-pages-deploy-action@releases/v3
+              uses: JamesIves/github-pages-deploy-action@4
               with:
-                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-                  BRANCH: Fall24-output
-                  FOLDER: www
+                  token: ${{ secrets.GITHUB_TOKEN }}
+                  branch: Fall24-output
+                  folder: www

.github/workflows/KeepCacheFresh.yml

@@ -2,21 +2,27 @@ name: Keep caches fresh
 on:
     schedule:
         - cron: "5 4 1/4 * *" # every 4 days
+concurrency:
+    group: export
+    cancel-in-progress: false
 
 jobs:
     build-and-deploy:
         runs-on: ubuntu-latest
         steps:
+            - name: Checkout Fall 24 source
+              uses: actions/checkout@v4
+
             - name: ⏱ Cache notebook states
-              uses: actions/cache@v2
+              uses: actions/cache@v4
               with:
                 path: _cache
                 key: ${{ runner.os }}-pluto_state_cache-v3-${{ hashFiles('**/Project.toml', '**/Manifest.toml') }}-${{ github.run_id }}
                 restore-keys: |
                     ${{ runner.os }}-pluto_state_cache-v3-${{ hashFiles('**/Project.toml', '**/Manifest.toml') }}
 
             - name: ⏱ Cache .julia
-              uses: actions/cache@v2
+              uses: actions/cache@v4
               with:
                 path: ~/.julia
                 key: ${{ runner.os }}-dotjulia-v1-${{ hashFiles('**/Project.toml', '**/Manifest.toml') }}-${{ github.run_id }}