Correct condition syntax in "Prepare Coverage GitHub Pages" step.l (#329)

* Correct syntax.

* Update regression_template.yml

* Update regression_template.yml

Author: Ting Zhu

.github/workflows/regression_template.yml

@@ -134,7 +134,7 @@ jobs:
     - name: Prepare Coverage GitHub Pages
       if: (!inputs.skip_coverage)
       run: >-
-        if [ "${{ inputs.result_affix }}" != "" ] && [ inputs.skip_deploy ]; then
+        if [ "${{ inputs.result_affix }}" != "" ] && ${{ inputs.skip_deploy }}; then
           mv ${{ inputs.cmake_path }}/coverage_report/${{ inputs.coverage_name }} \
             ${{ inputs.cmake_path }}/coverage_report/${{ inputs.result_affix }}
         fi