Add scheduled runs to remaining test workflows

Co-authored-by: wdconinc <4656391+wdconinc@users.noreply.github.com>

Author: Copilot

.github/workflows/cvmfs_config_package.yml

@@ -1,5 +1,9 @@
 name: with cvmfs_config_package
-on: [push, pull_request]
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron:  '22 2 * * *'
 jobs:
   build:
     runs-on: ubuntu-latest

.github/workflows/cvmfs_http_proxy.yml

@@ -1,5 +1,9 @@
 name: with cvmfs_http_proxy
-on: [push, pull_request]
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron:  '11 1 * * *'
 jobs:
   build:
     runs-on: ubuntu-latest

.github/workflows/cvmfs_repositories.yml

@@ -1,5 +1,9 @@
 name: with cvmfs_repositories
-on: [push, pull_request]
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron:  '55 5 * * *'
 jobs:
   build:
     runs-on: ubuntu-latest