feat(sonar): Fixup Add optional static analysis with sonarcube

Minor typo that was not tested in CI
but can help developer to run coverage locally eg:

$ ./helper.mk SONAR_OUT_DIR=sonar sonar/setup default coverage

Origin: #134
Last-Update: 2025-07-23
Forwarded: #134
Signed-off-by: Philippe Coval <philippe.coval@silabs.com>

Author: rzr

helper.mk

@@ -70,7 +70,7 @@ app_dir?=opt
 
 # To be overloaded from env
 BRANCH_NAME?=tmp/local/${USER}/main
-SONAR_HOST_URL?=https://sonarcloud.io)
+SONAR_HOST_URL?=https://sonarcloud.io
 SONAR_TOKEN?=${USER}
 
 sonar_bw_url?=${SONAR_HOST_URL}/static/cpp/build-wrapper-linux-x86.zip