Reapply "Add a once-daily Build All which skips caches (#10731)"

This reverts commit e3f049829b.

.github/workflows/build_all.yml

@@ -30,6 +30,9 @@ on:
      - 'build_release_macos.sh'
      - 'scripts/flatpak/**'
 
+  schedule:
+      - cron: '0 17 * * *' # run once a day at 1 AM Singapore time (UTC+8)
+
   workflow_dispatch: # allows for manual dispatch
     inputs:
       build-deps-only:
@@ -60,6 +63,7 @@ jobs:
       os: ${{ matrix.os }}
       arch: ${{ matrix.arch }}
       build-deps-only: ${{ inputs.build-deps-only || false }}
+      force-build: ${{ github.event_name == 'schedule' }}
     secrets: inherit
   flatpak:
     name: "Flatpak"

.github/workflows/build_check_cache.yml

@@ -12,6 +12,9 @@ on:
       build-deps-only:
         required: false
         type: boolean
+      force-build:
+        required: false
+        type: boolean
   
 jobs:
   check_cache: # determines if there is a cache and outputs variables used in caching process
@@ -55,4 +58,5 @@ jobs:
       os: ${{ inputs.os }}
       arch: ${{ inputs.arch }}
       build-deps-only: ${{ inputs.build-deps-only }}
+      force-build: ${{ inputs.force-build }}
     secrets: inherit

.github/workflows/build_deps.yml

@@ -19,11 +19,14 @@ on:
       build-deps-only:
         required: false
         type: boolean
+      force-build:
+        required: false
+        type: boolean
 
 jobs:
   build_deps:
     name: Build Deps
-    if: inputs.build-deps-only || inputs.valid-cache != true
+    if: inputs.build-deps-only || inputs.force-build || inputs.valid-cache != true
     runs-on: ${{ inputs.os }}
     env:
       date:
@@ -139,7 +142,7 @@ jobs:
   build_orca:
     name: Build OrcaSlicer
     needs: [build_deps]
-    if: ${{ !cancelled() && !inputs.build-deps-only && (inputs.valid-cache == true && needs.build_deps.result == 'skipped') || (inputs.valid-cache != true && success()) }}
+    if: ${{ !cancelled() && !inputs.build-deps-only && inputs.force-build || (inputs.valid-cache == true && needs.build_deps.result == 'skipped') || (inputs.valid-cache != true && success()) }}
     uses: ./.github/workflows/build_orca.yml
     with:
       cache-key: ${{ inputs.cache-key }}