Rollup merge of #136487 - marcoieni:disable-mysql-systemctl, r=Mark-Simulacrum

ci: stop mysql before removing it

try-job: aarch64-gnu

Author: workingjubilee

src/ci/scripts/free-disk-space.sh

@@ -110,6 +110,9 @@ execAndMeasureSpaceChange() {
 # Remove large packages
 # REF: https://github.com/apache/flink/blob/master/tools/azure-pipelines/free_disk_space.sh
 cleanPackages() {
+    # Stop services to avoid issues when removing their packages.
+    sudo systemctl stop mysql
+
     local packages=(
         '^aspnetcore-.*'
         '^dotnet-.*'