Fix the installation location of service files in prebuilded package

.goreleaser.fury.yaml

@@ -50,9 +50,9 @@ nfpms:
         dst: /etc/sing-box/config.json
         type: config
       - src: release/config/sing-box.service
-        dst: /etc/systemd/system/sing-box.service
+        dst: /usr/lib/systemd/system/sing-box.service
       - src: release/config/[email protected]
-        dst: /etc/systemd/system/[email protected]
+        dst: /usr/lib/systemd/system/[email protected]
       - src: LICENSE
         dst: /usr/share/licenses/sing-box/LICENSE
     conflicts:

.goreleaser.yaml

@@ -128,9 +128,9 @@ nfpms:
         dst: /etc/sing-box/config.json
         type: config
       - src: release/config/sing-box.service
-        dst: /etc/systemd/system/sing-box.service
+        dst: /usr/lib/systemd/system/sing-box.service
       - src: release/config/[email protected]
-        dst: /etc/systemd/system/[email protected]
+        dst: /usr/lib/systemd/system/[email protected]
       - src: LICENSE
         dst: /usr/share/licenses/sing-box/LICENSE
     deb: