Attempt disk space reclamation

ref: https://github.com/orgs/community/discussions/25678#discussioncomment-5242449

Author: thirdgen88

.github/workflows/multibuild.yml

@@ -20,6 +20,8 @@ jobs:
   make-multibuild:
     runs-on: ubuntu-latest
     steps:
+      - name: Delete huge unnecessary tools folder
+        run: rm -rf /opt/hostedtoolcache
       - name: Checkout
         uses: actions/checkout@v4
       - name: QEMU Setup