fix: matrix pgdb collation

matrix/compose.yaml

@@ -21,6 +21,7 @@ services:
       - POSTGRES_DB
       - POSTGRES_USER
       - POSTGRES_PASSWORD
+      - POSTGRES_INITDB_ARGS=--encoding=UTF-8 --lc-collate=C --lc-ctype=C
 
   matrix:
     image: docker.io/matrixdotorg/synapse:latest
@@ -30,7 +31,6 @@ services:
       - data:/data/
     environment:
       - SYNAPSE_SERVER_NAME=$BASE_URL
-      - SYNAPSE_REPORT_STATS
       - SYNAPSE_CONFIG_DIR=/config
       - SYNAPSE_DATA_DIR=/data
       - POSTGRES_HOST=db