ci: clone to current directory (fix 'already exists' error)

.gitea/workflows/build-runner-images.yml

@@ -24,20 +24,17 @@ jobs:
     steps:
       - name: Clone repository (base image, no Node.js required)
         run: |
-          git clone --depth 1 https://forgejo.riotpiao.com/rock/homelab.git /workspace
-          cd /workspace
+          git clone --depth 1 https://forgejo.riotpiao.com/rock/homelab.git .
 
       - name: Get commit SHA
         id: sha
         run: |
-          cd /workspace
           SHORT_SHA=$(git rev-parse --short HEAD)
           echo "short_sha=${SHORT_SHA}" >> $GITHUB_OUTPUT
           echo "Got SHA: ${SHORT_SHA}"
 
       - name: Build all runner images (test on PR, push on main)
         run: |
-          cd /workspace
           set -e
           for RUNNER in golang rust node; do
             echo "📦 Building ${RUNNER}-runner..."