Add weekly build (#119)

Author: tezc

.github/workflows/.aarch64.yml

@@ -1,5 +1,7 @@
 name: aarch64
 on:
+  schedule:
+    - cron: '0 0 * * 0'
   push:
     branches:
       - master

.github/workflows/.armv6.yml

@@ -1,5 +1,7 @@
 name: armv6
 on:
+  schedule:
+    - cron: '0 0 * * 0'
   push:
     branches:
       - master

.github/workflows/.armv7.yml

@@ -1,5 +1,7 @@
 name: armv7
 on:
+  schedule:
+    - cron: '0 0 * * 0'
   push:
     branches:
       - master

.github/workflows/.coverage.yml

@@ -1,4 +1,6 @@
 on:
+  schedule:
+    - cron: '0 0 * * 0'
   push:
     branches:
       - master

.github/workflows/.macos.yml

@@ -1,5 +1,7 @@
 name: macOS
 on:
+  schedule:
+    - cron: '0 0 * * 0'
   push:
     branches:
       - master

.github/workflows/.ppc64le.yml

@@ -1,5 +1,7 @@
 name: ppc64le
 on:
+  schedule:
+    - cron: '0 0 * * 0'
   push:
     branches:
       - master

.github/workflows/.s390x.yml

@@ -1,5 +1,7 @@
 name: s390x
 on:
+  schedule:
+    - cron: '0 0 * * 0'
   push:
     branches:
       - master

.github/workflows/.ubuntu.yml

@@ -1,5 +1,7 @@
 name: x64-ubuntu
 on:
+  schedule:
+    - cron: '0 0 * * 0'
   push:
     branches:
       - master

.github/workflows/.windows.yml

@@ -1,5 +1,7 @@
 name: windows
 on:
+  schedule:
+    - cron: '0 0 * * 0'
   push:
     branches:
       - master