fix doc

Author: echarlaix

.github/workflows/build_pr_documentation.yml

@@ -45,6 +45,7 @@ jobs:
         run: |
           make doc BUILD_DIR=./doc-build VERSION=pr_${{ env.PR_NUMBER }}
           mv ./doc-build/optimum.intel optimum-intel
+          cd optimum-intel
           echo ${{ env.COMMIT_SHA }} > ./commit_sha
           echo ${{ env.PR_NUMBER }} > ./pr_number