(maint) update default branch and daily status badge

Author: mihaibuzgau

.github/workflows/static_code_analysis.yaml

@@ -3,9 +3,9 @@ name: Static Code Analysis
 
 on:
   push:
-    branches: [ $default-branch ]
+    branches: [ main ]
   pull_request:
-    branches: [ $default-branch ]
+    branches: [ main ]
 
 jobs:
   static_code_analysis:

.github/workflows/unit_tests_with_nightly_puppet_gem.yaml

@@ -3,9 +3,9 @@ name: Unit Tests with nightly Puppet gem
 
 on:
   push:
-    branches: [ $default-branch ]
+    branches: [ main ]
   pull_request:
-    branches: [ $default-branch ]
+    branches: [ main ]
 
 jobs:
   unit_tests_with_nightly_puppet_gem:

.github/workflows/unit_tests_with_released_puppet_gem.yaml

@@ -3,9 +3,9 @@ name: Unit Tests with released Puppet gem
 
 on:
   push:
-    branches: [ $default-branch ]
+    branches: [ main ]
   pull_request:
-    branches: [ $default-branch ]
+    branches: [ main ]
 
 jobs:
   unit_tests_with_released_puppet_gem:

README.md

@@ -1,7 +1,7 @@
 
 # yumrepo_core
 
-[![Modules Status](https://github.com/puppetlabs/puppetlabs-yumrepo_core/workflows/[Daily]%20Unit%20Tests%20with%nightly%20Puppet%20gem/badge.svg?branch=main)](https://github.com/puppetlabs/puppetlabs-yumrepo_core/actions)
+[![Modules Status](https://github.com/puppetlabs/puppetlabs-yumrepo_core/workflows/%5BDaily%5D%20Unit%20Tests%20with%20nightly%20Puppet%20gem/badge.svg?branch=main)](https://github.com/puppetlabs/puppetlabs-yumrepo_core/actions)
 [![Modules Status](https://github.com/puppetlabs/puppetlabs-yumrepo_core/workflows/Static%20Code%20Analysis/badge.svg?branch=main)](https://github.com/puppetlabs/puppetlabs-yumrepo_core/actions) 
 [![Modules Status](https://github.com/puppetlabs/puppetlabs-yumrepo_core/workflows/Unit%20Tests%20with%20nightly%20Puppet%20gem/badge.svg?branch=main)](https://github.com/puppetlabs/puppetlabs-yumrepo_core/actions) 
 [![Modules Status](https://github.com/puppetlabs/puppetlabs-yumrepo_core/workflows/Unit%20Tests%20with%20released%20Puppet%20gem/badge.svg?branch=main)](https://github.com/puppetlabs/puppetlabs-yumrepo_core/actions)