Fix repository_dispatch by adding client_payload fallbacks

push_tags and Extract ruby_sha condition only referenced
github.event.inputs, causing tag mismatch when triggered
via repository_dispatch.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: hsbt

.github/workflows/build.yml

@@ -51,7 +51,7 @@ jobs:
       push: false
       ubuntu_version: "${{ matrix.ubuntu_version }}"
       tag_suffix: "-${{ matrix.arch }}-${{ github.run_id }}"
-      push_tags: ${{ github.event.inputs.ruby_version || 'master' }}${{ matrix.debug_suffix }}${{ matrix.dev_suffix }}-${{ matrix.ubuntu_version }}-${{ matrix.arch }}-${{ github.run_id }}
+      push_tags: ${{ github.event.inputs.ruby_version || github.event.client_payload.ruby_version || 'master' }}${{ matrix.debug_suffix }}${{ matrix.dev_suffix }}-${{ matrix.ubuntu_version }}-${{ matrix.arch }}-${{ github.run_id }}
       dev_suffix: ${{ matrix.dev_suffix }}
       debug_suffix: ${{ matrix.debug_suffix }}
 
@@ -164,7 +164,7 @@ jobs:
         #   manifest_name = "#{tags[0]}-#{arch}"                                                          #=> "${{ matrix.registry_name}}/ruby:master${{ matrix.image_version_suffix }}-${{ matrix.ubuntu_version }}-amd64"
         #   manifest_name = "#{manifest_name}-#{manifest_suffix}" if manifest_suffix                      #=> "${{ matrix.registry_name}}/ruby:master${{ matrix.image_version_suffix }}-${{ matrix.ubuntu_version }}-amd64-${{ github.run_id }}"
         docker_image: ${{ matrix.registry_name}}/ruby:master${{ matrix.image_version_suffix }}-${{ matrix.ubuntu_version }}-amd64-${{ github.run_id }}
-      if: ${{ (github.event.inputs.ruby_version || 'master') == 'master' && (github.event.inputs.ruby_sha || '') == '' }}
+      if: ${{ (github.event.inputs.ruby_version || github.event.client_payload.ruby_version || 'master') == 'master' && (github.event.inputs.ruby_sha || github.event.client_payload.ruby_sha || '') == '' }}
 
     - name: Create manifest for ${{ matrix.registry_name }}
       run: |-