Workflow: Disable spinning progress indicator.

.github/workflows/build-bm-toolchain.yaml

@@ -25,6 +25,7 @@ jobs:
       run: |
           echo CT_LOCAL_TARBALLS_DIR="${{ github.workspace }}/tarballs" >> defconfig
           echo CT_PREFIX_DIR="${CT_TOP_DIR}/${CT_HOST:+HOST-${CT_HOST}/}${CT_TARGET}" >> defconfig
+          echo CT_LOG_PROGRESS_BAR=n >> defconfig
           ct-ng defconfig
     - name: "Tarball cache management"
       uses: actions/cache@v3
@@ -41,5 +42,7 @@ jobs:
       uses: "actions/upload-artifact@v3"
       with:
         name: "toolchain archive"
-        path: "build/sh-unknown-elf-${{ github.sha }}.tar.gz"
+        path: |
+          "build/sh-unknown-elf-${{ github.sha }}.tar.gz"
+          "build/build.log"
         retention-days: 30