docs: sync WearOS install-snippet version comment with catalog

scripts/update_docs_versions.py enforces this in CI; the wear bump
to 1.4.0 left the inline comment stale.

Author: kikoso

WearOS/Wearable/build.gradle.kts

@@ -63,7 +63,7 @@ dependencies {
     //
     // [versions]
     // playServicesMaps = "20.0.0"
-    // wear = "1.3.0"
+    // wear = "1.4.0"
     // wearable = "2.9.0"
     //
     // [libraries]