Update actions yaml (#55)

Author: jhansche

.github/workflows/hacs.yaml

@@ -2,6 +2,8 @@ name: HACS Action
 
 on:
   push:
+    branches: 
+      - main
   pull_request:
   schedule:
     - cron: "45 2 * * 2"

.github/workflows/hassfest.yaml

@@ -2,6 +2,8 @@ name: Validate with hassfest
 
 on:
   push:
+    branches:
+      - main
   pull_request:
   schedule:
     - cron: "15 1 * * 1"

.github/workflows/pythonpackages.yaml

@@ -2,6 +2,9 @@ name: Python package
 
 on:
   push:
+    branches:
+      - main
+  pull_request:
   schedule:
     - cron: "30 16 * * WED"