Increment the snap revision to pull in exporter related bug fix (#447)

Author: shayancanonical

src/constants.py

@@ -25,7 +25,7 @@
 TLS_SSL_CERT_FILE = "custom-server-cert.pem"
 MYSQL_EXPORTER_PORT = 9104
 CHARMED_MYSQL_SNAP_NAME = "charmed-mysql"
-CHARMED_MYSQL_SNAP_REVISION = 102  # MySQL v8.0.36
+CHARMED_MYSQL_SNAP_REVISION = 103  # MySQL v8.0.36
 CHARMED_MYSQLD_EXPORTER_SERVICE = "mysqld-exporter"
 CHARMED_MYSQLD_SERVICE = "mysqld"
 CHARMED_MYSQL = "charmed-mysql.mysql"