Add disk space cleanup step in workflow

Added a step to free disk space before preparing the output directory.

.github/workflows/build-installer-iso.yml

@@ -18,6 +18,15 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v6
 
+      - name: Free disk space
+        run: |
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /usr/local/lib/android
+          sudo rm -rf /opt/ghc
+          sudo rm -rf /opt/hostedtoolcache
+          df -h
+
+
       - name: Prepare output directory
         run: mkdir -p output
 
@@ -27,6 +36,8 @@ jobs:
           # Falls das Image privat ist, hier ein 'sudo podman login' davor setzen
           sudo podman pull ghcr.io/humocs-man/fluffy-pancake:stable
 
+      
+
       - name: Build ISO (Interactive Mode)
         run: |
           # Wir mounten /var/lib/containers/storage, damit der Builder