Fix CI workflow Python version condition syntax

- Correct the syntax for Python version condition in GitHub Actions workflow
- Ensure proper comparison of matrix Python version
- Maintain compatibility with different Python versions in CI tests

Author: fcakyon

.github/workflows/ci.yml

@@ -72,7 +72,7 @@ jobs:
           # coco analyse
           sahi coco analyse --dataset_json_path tests/data/coco_evaluate/dataset.json --result_json_path tests/data/coco_evaluate/result.json --out_dir tests/data/coco_evaluate/
       - name: Test SAHI CLI with MMCV
-        if: ${{ matrix.python-version }} != '3.12'
+        if: matrix.python-version != '3.12'
         run: |
           source .venv/bin/activate
           set -e