fix: replace inputs to github.event.inputs

Signed-off-by: Yukai Huang <yukaihuangtw@gmail.com>

Author: Yukaii

.github/actions/build-steps/action.yml

@@ -18,12 +18,12 @@ on:
 
 jobs:
   build:
-    runs-on: ${{ inputs.platform == 'linux/arm64' && 'macos-latest' || 'ubuntu-latest' }}
+    runs-on: ${{ github.event.inputs.platform == 'linux/arm64' && 'macos-latest' || 'ubuntu-latest' }}
     steps:
       -
         name: Prepare Platform Environment
         run: |
-          echo "PLATFORM_PAIR=${{ inputs.platform//\//- }}" >> $GITHUB_ENV
+          echo "PLATFORM_PAIR=${{ github.event.inputs.platform//\//- }}" >> $GITHUB_ENV
       -
         name: Checkout
         uses: actions/checkout@v4
@@ -32,7 +32,7 @@ jobs:
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ inputs.registry_image }}
+          images: ${{ github.event.inputs.registry_image }}
       -
         name: Set up QEMU
         uses: docker/setup-qemu-action@v3
@@ -52,12 +52,12 @@ jobs:
         with:
           context: .
           file: ./deployments/Dockerfile
-          platforms: ${{ inputs.platform }}
+          platforms: ${{ github.event.inputs.platform }}
           labels: ${{ steps.meta.outputs.labels }}
-          outputs: type=image,name=${{ inputs.registry_image }},push-by-digest=true,name-canonical=true,push=true
+          outputs: type=image,name=${{ github.event.inputs.registry_image }},push-by-digest=true,name-canonical=true,push=true
           build-args: |
-            RUNTIME=${{ inputs.runtime }}
-            BUILDPACK=${{ inputs.buildpack }}
+            RUNTIME=${{ github.event.inputs.runtime }}
+            BUILDPACK=${{ github.event.inputs.buildpack }}
       -
         name: Export digest
         run: |