chore: upgrade GitHub Actions runtime from node20 to node24

Author: ryechezkel

README.md

@@ -5,7 +5,7 @@ Export GitHub Actions workflow runs as OpenTelemetry traces and logs to groundco
 ## Prerequisites
 
 - GitHub Actions workflow with `actions: read` and `issues: write` permissions
-- Node 20 runtime (handled automatically by GitHub Actions)
+- Node 24 runtime (handled automatically by GitHub Actions)
 - groundcover OTLP endpoint and ingestion key
 
 ## Quick Start

action.yml

@@ -92,5 +92,5 @@ branding:
   color: "green"
 
 runs:
-  using: "node20"
+  using: "node24"
   main: "dist/index.js"