ci: change from weekly to monthly builds

.github/workflows/base.yml

@@ -2,7 +2,7 @@ name: build oses
 on:
   workflow_dispatch:
   schedule:
-    - cron: "0 0 * * 1"
+    - cron: "0 0 1 * *"
   push:
     branches:
       - master

.github/workflows/games.yml

@@ -2,7 +2,7 @@ name: build games
 on:
   workflow_dispatch:
   schedule:
-    - cron: "0 0 * * 1"
+    - cron: "0 0 1 * *"
   push:
     branches:
       - master

.github/workflows/go.yml

@@ -2,7 +2,7 @@ name: build go
 on:
   workflow_dispatch:
   schedule:
-    - cron: "0 0 * * 1"
+    - cron: "0 0 1 * *"
   push:
     branches:
       - master

.github/workflows/installers.yml

@@ -2,7 +2,7 @@ name: build installers
 on:
   workflow_dispatch:
   schedule:
-    - cron: "0 0 * * 1"
+    - cron: "0 0 1 * *"
   push:
     branches:
       - master

.github/workflows/java.yml

@@ -2,7 +2,7 @@ name: build java
 on:
   workflow_dispatch:
   schedule:
-    - cron: "0 0 * * 1"
+    - cron: "0 0 1 * *"
   push:
     branches:
       - master

.github/workflows/nodejs.yml

@@ -2,7 +2,7 @@ name: build nodejs
 on:
   workflow_dispatch:
   schedule:
-    - cron: "0 0 * * 1"
+    - cron: "0 0 1 * *"
   push:
     branches:
       - master

.github/workflows/python.yml

@@ -2,7 +2,7 @@ name: build python
 on:
   workflow_dispatch:
   schedule:
-    - cron: "0 0 * * 1"
+    - cron: "0 0 1 * *"
   push:
     branches:
       - master