ci: allow jobs to fail without cancelling other jobs

https://docs.github.com/en/actions/reference/workflows-and-actions/workflow-syntax#jobsjob_idstrategyfail-fast

Author: loonatick-src

.github/workflows/benchmark.yml

@@ -20,6 +20,7 @@ jobs:
     strategy:
       matrix:
         swift: ["6.0.3", "6.1.0", "nightly-main", "nightly-6.2-noble"]
+      fail-fast: false
     container: ${{ contains(matrix.swift, 'nightly') && format('swiftlang/swift:{0}', matrix.swift) || format('swift:{0}', matrix.swift) }}
     steps:
       - uses: actions/checkout@v4