chore: Update path to ublue-update user script

Containerfile

@@ -296,7 +296,7 @@ RUN rpm-ostree install \
     pip install --prefix=/usr topgrade && \
     rpm-ostree install \
         ublue-update && \
-    sed -i '1s/^/[include]\npaths = ["\/etc\/ublue-os\/topgrade.toml"]\n\n/' /usr/etc/ublue-update/topgrade-user.toml && \
+    sed -i '1s/^/[include]\npaths = ["\/etc\/ublue-os\/topgrade.toml"]\n\n/' /usr/share/ublue-update/topgrade-user.toml && \
     sed -i 's/min_battery_percent.*/min_battery_percent = 20.0/' /usr/etc/ublue-update/ublue-update.toml && \
     sed -i 's/max_cpu_load_percent.*/max_cpu_load_percent = 100.0/' /usr/etc/ublue-update/ublue-update.toml && \
     sed -i 's/max_mem_percent.*/max_mem_percent = 90.0/' /usr/etc/ublue-update/ublue-update.toml && \