Downgrade to qemu-8.2.1

Lima doesn't seem to work properly with the latest QEMU on GitHub runners.

This commit will build qemu 8.2.1 from source, which will take 10min or so.
It should be replaced by downloaded the bottle from ghcr.io.

Signed-off-by: Jan Dubois <[email protected]>

Author: jandubois

.github/workflows/test.yml

@@ -370,6 +370,7 @@ jobs:
 
   upgrade:
     name: "Upgrade test"
+    # The QEMU bottle URL needs to be updated when the runner is upgraded from Monterey
     runs-on: macos-12
     timeout-minutes: 120
     strategy:
@@ -387,7 +388,15 @@ jobs:
       with:
         template: https://raw.githubusercontent.com/lima-vm/lima/${{ matrix.oldver }}/examples/ubuntu-lts.yaml
     - name: Install test dependencies
-      run: brew install qemu bash coreutils
+      run: |
+        brew install bash coreutils
+        # QEMU 9.1.0 seems to break on GitHub runners, both on Monterey and Ventura
+        # We revert back to 8.2.1, which seems to work fine
+        # The SHA1 for the Monterey bottle comes from https://github.com/Homebrew/homebrew-core/blob/4c7ffca/Formula/q/qemu.rb
+        brew uninstall --ignore-dependencies --force qemu
+        curl -L -o qemu-8.2.1.monterey.bottle.tar.gz -H "Authorization: Bearer QQ==" \
+            https://ghcr.io/v2/homebrew/core/qemu/blobs/sha256:41c77f6bac3e8c1664c665fbe2b19b19ee9da57f8e1ad6697348286710cc3575
+        brew install --ignore-dependencies ./qemu-8.2.1.monterey.bottle.tar.gz
     - name: Test
       uses: nick-invision/retry@v3
       with: