ci: unittests: fail-fast=false

Author: 3np

.github/workflows/unittests.yml

@@ -7,6 +7,7 @@ jobs:
     name: python ${{ matrix.python-version }}, bitcoind ${{ matrix.bitcoind-version }} on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         os: [macos-13, ubuntu-22.04, ubuntu-24.04]
 #        python-version: ["3.8", "3.13"]