docs(changelog): name the Taiwan CCTV fragment for #1237

Co-Authored-By: Claude Opus 5.5 <[email protected]>

changelog.d/1237-taiwan-freeway-cctv.md

@@ -1,4 +1,4 @@
 - Add Taiwan's national freeway cameras from the Freeway Bureau, MOTC to CCTV:
   ~1,800 cameras read at runtime from the official MOTC 2.0 open-data table,
   with on-demand snapshots and attribution. No API key is required; set
-  `CCTV_TAIWAN_ENABLED=0` to skip it.
+  `CCTV_TAIWAN_ENABLED=0` to skip it (419vive, #1237).