add build deps

Author: dorkamotorka

.github/workflows/build.yaml

@@ -30,6 +30,11 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-buildx-
 
+      - name: Install build dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libelf-dev llvm clang
+
       - name: Build exporter
         run: |
           go generate