ci: regularly run all actions

.github/workflows/cachix.yml

@@ -2,6 +2,8 @@ name: Build bootstrap packages and push to cachix
 on:
   pull_request:
   push:
+  schedule:
+    - cron: 0 0 * * 1
 jobs:
   cachix:
     runs-on: ubuntu-latest

.github/workflows/docs.yml

@@ -3,6 +3,8 @@ name: Build and deploy docs
 on:
   push:
     branches: ["master"]
+  schedule:
+    - cron: 0 0 * * 1
 
 # Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
 permissions:

.github/workflows/fakedroid-odt.yml

@@ -2,6 +2,8 @@ name: Run on-device-tests with fakedroid
 on:
   pull_request:
   push:
+  schedule:
+    - cron: 0 0 * * 1
 jobs:
   fakedroid-odt-channel:
     runs-on: ubuntu-latest

.github/workflows/lints.yml

@@ -2,6 +2,8 @@ name: Run lints
 on:
   pull_request:
   push:
+  schedule:
+    - cron: 0 0 * * 1
 jobs:
   lint:
     runs-on: ubuntu-latest