Upgrade outline-ss-server to v1.1.5

src/shadowbox/docker/Dockerfile

@@ -39,7 +39,7 @@ FROM ${NODE_IMAGE}
 # Save metadata on the software versions we are using.
 LABEL shadowbox.node_version=12.16.3
 # Keep in sync with version in third_party/outline-ss-server
-LABEL shadowbox.outline-ss-server_version=1.1.4
+LABEL shadowbox.outline-ss-server_version=1.1.5
 
 ARG GITHUB_RELEASE
 LABEL shadowbox.github.release="${GITHUB_RELEASE}"

third_party/outline-ss-server/METADATA

@@ -8,8 +8,8 @@ third_party {
   }
   url {
     type: ARCHIVE
-    value: "https://github.com/Jigsaw-Code/outline-ss-server/releases/tag/v1.1.4"
+    value: "https://github.com/Jigsaw-Code/outline-ss-server/releases/tag/v1.1.5"
   }
-  version: "1.1.4"
-  last_upgrade_date { year: 2020 month: 5 day: 29 }
+  version: "1.1.5"
+  last_upgrade_date { year: 2020 month: 6 day: 11 }
 }