TO-DROP: build git-artifacts snapshot (i686) on push

For ease of debugging, (at least for some definition of "ease", given
the fact that GitHub Actions is very cumbersome to debug with no hope
for improvement, see github/roadmap#637, note
that it is locked, and read between the lines of
github/roadmap#1014 to form realistic
expectations as to how much, or little, will be improved).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

.github/workflows/git-artifacts.yml

@@ -1,49 +1,28 @@
 name: git-artifacts
-run-name: Build git-artifacts (${{ inputs.artifacts != '' && format('{0} ', inputs.artifacts) || '' }}${{ inputs.architecture }})
+run-name: Build git-artifacts (installer portable archive mingit mingit-busybox i686)
 
 on:
-  workflow_dispatch:
-    inputs:
-      artifacts:
-        description: 'Optionally restrict what artifacts to build (portable, installer, etc.). Separate artifacts with spaces'
-        required: false
-      architecture:
-        type: choice
-        description: 'Architecture to build'
-        required: true
-        options:
-        - x86_64
-        - i686
-        - aarch64
-      tag_git_workflow_run_id:
-        description: 'Workflow run ID of the tag-git pipeline'
-        required: false
-      existing_git_tag:
-        description: 'Existing tag to build from. Requires tag_git_workflow_run_id to be empty'
-        required: false
-      build_extra_rev_for_existing_git_tag:
-        description: 'build-extra revision to use if building from an existing Git tag. Required if existing_git_tag is non-empty'
-        required: false
+  push:
 
 env:
   GPG_OPTIONS: "--batch --yes --no-tty --list-options no-show-photos --verify-options no-show-photos --pinentry-mode loopback"
   HOME: "${{github.workspace}}\\home"
   USERPROFILE: "${{github.workspace}}\\home"
-  ARTIFACTS_TO_BUILD: "${{github.event.inputs.artifacts}}"
-  ARCHITECTURE: "${{github.event.inputs.architecture}}"
+  ARTIFACTS_TO_BUILD: "installer portable archive mingit mingit-busybox"
+  ARCHITECTURE: i686
   OWNER: git-for-windows
   REPO: git
-  TAG_GIT_WORKFLOW_RUN_ID: "${{github.event.inputs.tag_git_workflow_run_id}}"
-  EXISTING_GIT_TAG: "${{github.event.inputs.existing_git_tag}}"
-  BUILD_EXTRA_REV_FOR_EXISTING_GIT_TAG: "${{github.event.inputs.build_extra_rev_for_existing_git_tag}}"
+  TAG_GIT_WORKFLOW_RUN_ID: 12965286926
+  EXISTING_GIT_TAG:
+  BUILD_EXTRA_REV_FOR_EXISTING_GIT_TAG:
 
 defaults:
   run:
     shell: bash
 
 jobs:
   pkg:
-    runs-on: ${{ github.event.inputs.architecture == 'aarch64' && fromJSON('["Windows", "ARM64"]') || 'windows-latest' }}
+    runs-on: windows-latest
     outputs:
       artifact_matrix: ${{ steps.artifact-build-matrix.outputs.result }}
       msystem: ${{steps.configure-environment.outputs.MSYSTEM}}
@@ -354,7 +333,7 @@ jobs:
           append-text: "${{ format('Completed: {0}', job.status) }}."
           conclusion: ${{ job.status }}
   artifacts:
-    runs-on: ${{ github.event.inputs.architecture == 'aarch64' && fromJSON('["Windows", "ARM64"]') || 'windows-latest' }}
+    runs-on: windows-latest
     needs: pkg
     env:
       MSYSTEM: ${{ needs.pkg.outputs.msystem }}