ci: should? fix not running on PR

Author: daadu

.github/workflows/all_plugins.yaml

@@ -2,6 +2,8 @@ name: all_plugins
 
 on:
   pull_request:
+    branches:
+      - master
     paths-ignore:
       - "docs/**"
       - "website/**"

.github/workflows/wifi_iot.yaml

@@ -3,6 +3,8 @@ name: wifi_iot
 
 on:
   pull_request:
+    branches:
+      - master
     paths:
       - "packages/wifi_iot/**"
       - ".github/workflows/wifi_iot.yaml"

.github/workflows/wifi_scan.yaml

@@ -3,6 +3,8 @@ name: wifi_scan
 
 on:
   pull_request:
+    branches:
+      - master
     paths:
       - "packages/wifi_scan/**"
       - ".github/workflows/wifi_scan.yaml"