ci: update workflow for cross-platform compatibility in GitHub Actions

Signed-off-by: Marko Kungla <[email protected]>

.github/workflows/monorepo-main.yml

@@ -70,25 +70,26 @@ jobs:
           fi
         shell: bash
 
-      - name: Prepare flag name
-        id: prepare-flag
-        shell: bash
+      - name: Prepare flag name (Windows)
+        if: runner.os == 'Windows'
         run: |
-          if [ "${{ runner.os }}" = "Windows" ]; then
-            # PowerShell commands for Windows runner
-            $module_name = "${{ matrix.module }}"
-            $clean_module_name = $module_name.TrimStart('./')  # Remove leading ./
-            if ($clean_module_name -eq ".") { $clean_module_name = "happy" }
-            echo "clean_module_name=$clean_module_name" | Out-File -Append -FilePath $Env:GITHUB_OUTPUT
-          else
-            # Bash commands for Ubuntu and macOS runners
-            module_name="${{ matrix.module }}"
-            clean_module_name="${module_name#./}"  # Remove leading ./
-            if [[ "$clean_module_name" == "." ]]; then
-              clean_module_name="happy"
-            fi
-            echo "clean_module_name=$clean_module_name" >> $GITHUB_OUTPUT
+          $module_name = "./internal/cmd/hap"
+          $clean_module_name = $module_name.TrimStart('./')  # Remove leading ./
+          if ($clean_module_name -eq ".") { $clean_module_name = "happy" }
+          echo "clean_module_name=$clean_module_name" | Out-File -Append -FilePath $Env:GITHUB_OUTPUT
+        shell: pwsh
+
+      - name: Prepare flag name (Linux and macOS)
+        if: runner.os != 'Windows'
+        run: |
+          module_name="./internal/cmd/hap"
+          clean_module_name="${module_name#./}"  # Remove leading ./
+          if [[ "$clean_module_name" == "." ]]; then
+            clean_module_name="happy"
           fi
+          echo "clean_module_name=$clean_module_name" >> $GITHUB_OUTPUT
+        shell: bash
+
 
       - name: Upload coverage
         if: steps.check-coverage.outputs.coverage_data_exists == 'true'