install library_generation

Author: JoeWang1127

.github/scripts/action.yaml

@@ -47,7 +47,6 @@ runs:
       # repository root
       cd ${{ github.action_path }}/../../
       rsync -rv \
-        --exclude=library_generation \
         --exclude=tests \
         hermetic_build "${GITHUB_WORKSPACE}"
   - name: Copy shell script
@@ -60,6 +59,7 @@ runs:
     run: |
       cd "${GITHUB_WORKSPACE}"
       pip install hermetic_build/common
+      pip install hermetic_build/library_generation
       pip install hermetic_build/release_note_generation
   - name: Generate changed libraries
     shell: bash