2024 Day 01 part 1 & 2

- Remove PHP 8.1 from test matrix.

Author: sprak3000

.github/workflows/tests.yml

@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        php: [ 8.1, 8.2, 8.3, 8.4 ]
+        php: [ 8.2, 8.3, 8.4 ]
         os: [ ubuntu-latest ]
         year: [ 2015, 2018, 2019, 2020, 2021, 2022, 2023, 2024 ]