ci: opt into Node.js 24 for all GitHub Actions workflows

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.github/workflows/build-companion-firmwares.yml

@@ -9,6 +9,9 @@ on:
     tags:
       - 'companion-*'
 
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+
 jobs:
 
   build:

.github/workflows/build-repeater-firmwares.yml

@@ -9,6 +9,9 @@ on:
     tags:
       - 'repeater-*'
 
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+
 jobs:
 
   build:

.github/workflows/build-room-server-firmwares.yml

@@ -9,6 +9,9 @@ on:
     tags:
       - 'room-server-*'
 
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+
 jobs:
 
   build:

.github/workflows/build-wio-tracker-l1-firmwares.yml

@@ -9,6 +9,9 @@ on:
     tags:
       - 'wio-tracker-v*'
 
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+
 jobs:
 
   build-standard:

.github/workflows/github-pages.yml

@@ -9,6 +9,9 @@ on:
 permissions:
   contents: write
 
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+
 jobs:
   github-pages:
     runs-on: ubuntu-latest

.github/workflows/pr-build-check.yml

@@ -18,6 +18,9 @@ on:
       - 'platformio.ini'
       - '.github/workflows/pr-build-check.yml'
 
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+
 jobs:
   build:
     runs-on: ubuntu-latest