Fix shell not being input correctly into init action

Author: leeyi45

.github/actions/src/init/action.yml

@@ -22,18 +22,16 @@ inputs:
     description: Should run the Playwright installation command
 
   shell:
-    required: true
+    required: false
+    default: bash
     description: What shell to use
 
-defaults:
-  runs:
-    shell: ${{ inputs.shell }}
-
 runs:
   using: composite
   steps:
     - name: Enable Corepack
       run: corepack enable
+      shell: ${{ inputs.shell }}
 
     - name: Use Node.js 💻
       uses: actions/setup-node@v4
@@ -44,11 +42,14 @@ runs:
     - name: Install Dependencies (Focused)
       if: inputs.package-name != '' && inputs.install-deps == 'true'
       run: yarn workspaces focus ${{ inputs.package-name }}
+      shell: ${{ inputs.shell }}
 
     - name: Install Dependencies (General)
       if: inputs.package-name == '' && inputs.install-deps == 'true'
       run: yarn install --immutable
+      shell: ${{ inputs.shell }}
 
     - name: Install Playwright
       if: inputs.playwright == 'true' && inputs.install-deps == 'true'
       run: yarn workspaces foreach -A --include ${{ inputs.package-name }} run playwright install --with-deps
+      shell: ${{ inputs.shell }}