CU-869awnz6y: Fix sisue with workflow format (45m -> 45) (#189)

Author: mart-r

.github/workflows/medcat-v1_main.yml

@@ -53,7 +53,7 @@ jobs:
           second_half_nl=$(echo "$all_files" | tail -n +$(($midpoint + 1)))
           python -m unittest ${first_half_nl[@]}
           python -m unittest ${second_half_nl[@]}
-        timeout-minutes: 45m
+        timeout-minutes: 45
       - name: Regression
         run: source tests/resources/regression/run_regression.sh
       - name: Model backwards compatibility