ci: Ignore failing builds

Author: sharpenedblade

.github/workflows/nightly-update.yml

@@ -11,6 +11,7 @@ jobs:
       matrix:
         image: ["fedora-ci", "fedora-silverblue"]
         release: [ "41", "42", "43", "unstable" ]
+      fail-fast: false
     uses: ./.github/workflows/build-image.yml
     with:
       image_name: ${{ matrix.image }}