Document Node.js LTS version and centralize configuration

Add documentation comment explaining that we're using Node.js v22.x "Jod" LTS
(became LTS on October 29, 2024). Centralize the version in an environment
variable to make future updates easier and more consistent across all jobs.

Co-authored-by: kraenhansen <1243959+kraenhansen@users.noreply.github.com>

Author: Copilot

.github/workflows/check.yml

@@ -5,6 +5,9 @@ env:
   NDK_VERSION: 27.1.12297006
   # Enabling the Gradle test on CI (disabled by default because it downloads a lot)
   ENABLE_GRADLE_TESTS: true
+  # Node.js LTS version: Using v22.x "Jod" (became LTS on October 29, 2024)
+  # Previous LTS was v20.x "Iron". See: https://nodejs.org/en/about/previous-releases
+  NODE_VERSION: lts/jod
 
 on:
   push:
@@ -25,7 +28,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: lts/jod
+          node-version: ${{ env.NODE_VERSION }}
       # Set up JDK and Android SDK only because we need weak-node-api, to build ferric-example and to run the linting
       # TODO: Remove this once we have a way to run linting without building the native code
       - name: Set up JDK 17
@@ -62,7 +65,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: lts/jod
+          node-version: ${{ env.NODE_VERSION }}
       - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
@@ -84,7 +87,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: lts/jod
+          node-version: ${{ env.NODE_VERSION }}
       - name: Set up JDK 17
         uses: actions/setup-java@v3
         with:
@@ -117,7 +120,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: lts/jod
+          node-version: ${{ env.NODE_VERSION }}
       - name: Set up JDK 17
         uses: actions/setup-java@v3
         with:
@@ -148,7 +151,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: lts/jod
+          node-version: ${{ env.NODE_VERSION }}
       - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
@@ -229,7 +232,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: lts/jod
+          node-version: ${{ env.NODE_VERSION }}
       - name: Set up JDK 17
         uses: actions/setup-java@v3
         with:

.github/workflows/release.yml

@@ -3,6 +3,9 @@ name: Release
 env:
   # Version here should match the one in React Native template and packages/cmake-rn/src/cli.ts
   NDK_VERSION: 27.1.12297006
+  # Node.js LTS version: Using v22.x "Jod" (became LTS on October 29, 2024)
+  # Previous LTS was v20.x "Iron". See: https://nodejs.org/en/about/previous-releases
+  NODE_VERSION: lts/jod
 
 on:
   push:
@@ -19,7 +22,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: lts/jod
+          node-version: ${{ env.NODE_VERSION }}
       - name: Set up JDK 17
         uses: actions/setup-java@v3
         with: