Added branch filters to several HIRS Github actions

.github/workflows/hirs_unit_tests.yml

@@ -4,6 +4,8 @@ name: HIRS Build and Unit Test
 
 on:
   push:
+    - '*v2*'
+    - 'master'
    # allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 

.github/workflows/package_centos.yml

@@ -1,6 +1,8 @@
 name: HIRS packages for centos
 on:
   push:
+    - '*v2*'
+    - 'master'
   workflow_dispatch:
   
 jobs:

.github/workflows/system_test.yml

@@ -3,6 +3,8 @@
 name: HIRS System Tests
 on: 
   push:
+    - '*v2*'
+    - 'master'
   workflow_dispatch:
 env:
   TEST_STATUS: 0