CI: remove redundant CI tests (#2617)

Author: mstopa-splunk

.github/workflows/ci-lite.yaml

@@ -16,12 +16,6 @@
 
 name: ci-lite
 on:
-  push:
-    branches:
-      - "main"
-      - "releases/*"
-      - "develop"
-      - "next*"
   pull_request:
     branches:
       - "main"
@@ -174,17 +168,14 @@ jobs:
     needs:
       - meta
       - build_action
-    strategy:
-      matrix:
-        splunk: ${{ fromJson(needs.meta.outputs.matrix_supportedSplunk) }}
     # runs all of the steps inside the specified container rather than on the VM host.
     # Because of this the network configuration changes from host based network to a container network.
     container:
       image: python:3.9-buster
 
     services:
       splunk:
-        image: splunk/splunk:${{ matrix.splunk.version }}
+        image: splunk/splunk:${{ fromJson(needs.meta.outputs.matrix_supportedSplunk)[0].version }}
         ports:
           - 8000:8000
           - 8088:8088

.github/workflows/ci-main.yaml

@@ -16,12 +16,6 @@
 
 name: ci-main
 on:
-  push:
-    branches:
-      - "main"
-      - "releases/*"
-      - "develop"
-      - "next*"
   pull_request:
     branches:
       - "main"
@@ -174,17 +168,14 @@ jobs:
     needs:
       - meta
       - build_action
-    strategy:
-      matrix:
-        splunk: ${{ fromJson(needs.meta.outputs.matrix_supportedSplunk) }}
     # runs all of the steps inside the specified container rather than on the VM host.
     # Because of this the network configuration changes from host based network to a container network.
     container:
       image: python:3.9-buster
 
     services:
       splunk:
-        image: splunk/splunk:${{ matrix.splunk.version }}
+        image: splunk/splunk:${{ fromJson(needs.meta.outputs.matrix_supportedSplunk)[0].version }}
         ports:
           - 8000:8000
           - 8088:8088