Revert "ci: add explicit permission restiction"

This reverts commit 793ccf5.

Author: TheBigRoomXXL

.github/workflows/daily-demo-update.yml

@@ -1,5 +1,4 @@
 name: update-demo-daily
-permissions: {}
 on:
   schedule:
     - cron: "0 6 * * *"

.github/workflows/release.yml

@@ -1,5 +1,5 @@
 name: test-build-and-release
-permissions: {}
+
 on:
   push:
     tags:

.github/workflows/test.yml

@@ -1,9 +1,8 @@
 name: test
-permissions: {}
 
 on:
   push:
-
+  
   pull_request:
     types: [opened, reopened, edited]