cache tweaks

Author: fonsp

.github/workflows/ExportNotebooks.yml

@@ -24,9 +24,9 @@ jobs:
               uses: actions/cache@v2
               with:
                 path: _cache
-                key: ${{ runner.os }}-pluto_state_cache-v3-fall22-${{ hashFiles('**/Project.toml', '**/Manifest.toml') }}-${{ github.run_id }}
+                key: ${{ runner.os }}-pluto_state_cache-v3-${{ hashFiles('**/Project.toml', '**/Manifest.toml') }}-${{ github.run_id }}
                 restore-keys: |
-                    ${{ runner.os }}-pluto_state_cache-v3-fall22-${{ hashFiles('**/Project.toml', '**/Manifest.toml') }}
+                    ${{ runner.os }}-pluto_state_cache-v3-${{ hashFiles('**/Project.toml', '**/Manifest.toml') }}
 
             - name: ⏱ Cache .julia
               uses: actions/cache@v2

.github/workflows/KeepCacheFresh.yml

@@ -0,0 +1,25 @@
+name: Keep caches fresh
+on:
+    schedule:
+      -cron: "5 4 1/4 * *" # every 4 days
+
+jobs:
+    build-and-deploy:
+        runs-on: ubuntu-latest
+        steps:
+            - name: ⏱ Cache notebook states
+              uses: actions/cache@v2
+              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
+              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') }}
+