doc-builder image had been changed, need to revert to old one due to...

doc-builder image had been changed, need to revert to old one due to dependency issues, see https://huggingface.slack.com/archives/C021H1P1HKR/p1714469081588139

.github/workflows/build_documentation.yml

@@ -14,5 +14,6 @@ jobs:
       commit_sha: ${{ github.sha }}
       package: bitsandbytes
       repo_owner: TimDettmers
+      custom_container: huggingface/transformers-doc-builder
     secrets:
       hf_token: ${{ secrets.HUGGINGFACE_PUSH }}

.github/workflows/build_pr_documentation.yml

@@ -16,3 +16,4 @@ jobs:
       pr_number: ${{ github.event.number }}
       package: bitsandbytes
       repo_owner: TimDettmers
+      custom_container: huggingface/transformers-doc-builder