CI: Disable fail-fast for main test job

This will help us figure out which parts of the test matrix need fixing.

Author: str4d

.github/workflows/ci.yml

@@ -7,6 +7,7 @@ jobs:
     name: Test on ${{ matrix.os }}${{ matrix.name_suffix }}
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         stage: [stable, beta, nightly]
         os: [ubuntu-latest, windows-latest, macOS-latest]