Update workflow

Author: HyperWinX

.github/workflows/mainline-compile.yml

@@ -46,4 +46,3 @@ jobs:
           path: |
             build/Release/*.tar.gz
           if-no-files-found: error
-          compression-level: '0'

.github/workflows/mainline-test.yml

@@ -35,8 +35,11 @@ jobs:
       - name: Extract and run tarballs
         run: |
           for archive in artifacts/*.tar.gz; do
-            tar -xpf "$archive" -C / --overwrite
+            mkdir unpacked
+            unzip -q "$archive" -d unpacked
+            tar -xpf "unpacked/$archive" -C / --overwrite
             for f in /opt/hcpu/tests/*; do
               [ -f "$f" ] && [ -x "$f" ] && "$f"
             done
+            rm -rf unpacked
           done