Run unittests sequentially to avoid rate-limiting by coinglass

Author: dineshpinto

.github/workflows/api_unitests.yml

@@ -14,11 +14,12 @@ permissions:
 
 jobs:
   build:
-
     runs-on: "ubuntu-latest"
     strategy:
       matrix:
         python-version: ["3.10", "3.11"]
+      fail-fast: true
+      max-parallel: 1
     env:
       PYTHON: ${{ matrix.python-version }}
     steps: