Add action to run validation on every commit

Adds some flags to the makefile to make it build on alpine with a
different libc

.gitea/workflows/validate.yaml

@@ -3,7 +3,7 @@ run-name: ${{ gitea.actor }} is validating code with clang 19
 on: [push]
 
 jobs:
-  Validate-With-Modern-Clang:
+  validate-build:
     runs-on: ubuntu-latest
     container:
       image: node:18-alpine