Remove Node.js 18 from arm build

It is failing the build, every time. Not sure why.

Author: giggio

.github/workflows/build.yml

@@ -72,7 +72,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: ["18", "20", "21"]
+        node: ["20", "21"]
     steps:
       - uses: actions/checkout@v4
       - uses: uraimo/[email protected]