CI: Turn off "fail-fast" on the test matrix to get the big picture

Author: amotl

.github/workflows/tests.yml

@@ -23,7 +23,7 @@ jobs:
         python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
         cratedb-version: ['5.1.2']
         sqla-version: ['1.3.24', '1.4.45']
-      fail-fast: true
+      fail-fast: false
     env:
       CRATEDB_VERSION: ${{ matrix.cratedb-version }}
       SQLALCHEMY_VERSION: ${{ matrix.sqla-version }}