Move runtime to Node 24, eliminate Node 20 deprecation warnings

.github/workflows/test.yml

@@ -15,9 +15,9 @@ jobs:
       NODE_OPTIONS: --openssl-legacy-provider
     steps:
     - uses: actions/checkout@v6
-    - uses: actions/setup-node@v4
+    - uses: actions/setup-node@v6
       with:
-        node-version: 20
+        node-version: 24
     - run: npm ci
     - run: npm test
 

action.yml

@@ -17,7 +17,7 @@ inputs:
     description: "If set, always create SSH debug sessions even on success."
     required: false
 runs:
-  using: 'node20'
+  using: 'node24'
   main: 'dist/index.js'
   pre: 'dist/setup.js'
   post: 'dist/cleanup.js'

deploy/eks/action.yml

@@ -21,10 +21,10 @@ inputs:
     description: AWS region to deploy to
     required: true
   SLACK_SUCCESS_CHANNEL_ID:
-    description: The Slack channel ID(s) to send successful deployment notifications
+    description: The Slack channel ID to send successful deployment notifications
     required: false
   SLACK_FAILURE_CHANNEL_ID:
-    description: The Slack channel ID(s) to send failed deployment notifications
+    description: The Slack channel ID to send failed deployment notifications
     required: false
   SLACK_BOT_TOKEN:
     description: The Slack bot token to pass the data to
@@ -98,13 +98,13 @@ runs:
         "${cmd[@]}"
     - name: Notify slack channel on success
       if: success() && inputs.SLACK_SUCCESS_CHANNEL_ID != ''
-      uses: slackapi/slack-github-action@v1.27.1
-      env:
-        SLACK_BOT_TOKEN: ${{ inputs.SLACK_BOT_TOKEN }}
+      uses: slackapi/slack-github-action@v3.0.3
       with:
-        channel-id: ${{ inputs.SLACK_SUCCESS_CHANNEL_ID }}
+        method: chat.postMessage
+        token: ${{ inputs.SLACK_BOT_TOKEN }}
         payload: |
           {
+            "channel": "${{ inputs.SLACK_SUCCESS_CHANNEL_ID }}",
             "text": "EKS Deployment Succeeded",
             "blocks": [
               {
@@ -170,13 +170,13 @@ runs:
           }
     - name: Notify slack channel on failure
       if: failure() && inputs.SLACK_FAILURE_CHANNEL_ID != ''
-      uses: slackapi/slack-github-action@v1.27.1
-      env:
-        SLACK_BOT_TOKEN: ${{ inputs.SLACK_BOT_TOKEN }}
+      uses: slackapi/slack-github-action@v3.0.3
       with:
-        channel-id: ${{ inputs.SLACK_FAILURE_CHANNEL_ID }}
+        method: chat.postMessage
+        token: ${{ inputs.SLACK_BOT_TOKEN }}
         payload: |
           {
+            "channel": "${{ inputs.SLACK_FAILURE_CHANNEL_ID }}",
             "text": "EKS Deployment Failed",
             "blocks": [
               {