ci: fix working directory for 5.10 kernel patch

.github/actions/droidspaces/action.yml

@@ -71,7 +71,7 @@ runs:
     - name: Fix 5.10
       shell: bash
       if: inputs.version == 'android12-5.10' || inputs.version == 'android13-5.10'
-      working-directory: ${{ github.workspace }}/kernel
+      working-directory: ${{ github.workspace }}/kernel/common
       run: |
         sed -i '0,/^[[:space:]]*static inline struct pid_namespace \*get_pid_ns(struct pid_namespace \*ns)[[:space:]]*$/s//extern struct pid_namespace *get_pid_ns(struct pid_namespace *ns);/' include/linux/pid_namespace.h
         sed -i '0,/^[[:space:]]*extern struct pid_namespace \*get_pid_ns(struct pid_namespace \*ns);[[:space:]]*$/{