Fix release: logout from GHCR before pulling cross-org image

GitHub Actions runners have pre-configured GHCR auth that interferes
with pulling public images from other orgs. Logout first to force
anonymous pull.

Author: nhumrich

.github/workflows/release.yml

@@ -16,6 +16,7 @@ jobs:
 
       - name: Build binaries
         run: |
+          docker logout ghcr.io || true
           docker pull ghcr.io/blinklang/blink:0.29
           mkdir -p dist
           docker run --rm -v "$PWD":/work -w /work ghcr.io/blinklang/blink:0.29 blink build src/main.bl --release -T linux -o dist/br-linux-amd64