Update run.sh to carto v6.0.0 - use osm2pgsql flex mode

run.sh

@@ -15,7 +15,7 @@ function setPostgresPassword() {
 function compileStyle() {
     local lang=$1
     cd /data/style/
-    git clone --single-branch --branch update-2025 https://github.com/nobohan/openstreetmap-carto-be --depth 1
+    git clone --single-branch --branch v6.0.0 https://github.com/osmbe/openstreetmap-carto-be --depth 1
     mkdir /data/style/patterns/
     mv /data/style/openstreetmap-carto-be/patterns/* /data/style/patterns/
     mkdir /data/style/symbols/
@@ -112,7 +112,7 @@ if [ "$1" == "import" ]; then
     fi
 
     # Import data
-    sudo -u renderer osm2pgsql -d gis --create --hstore -G -S openstreetmap-carto-be/openstreetmap-carto.style --tag-transform-script openstreetmap-carto-be/openstreetmap-carto.lua  \
+    sudo -u renderer osm2pgsql -d gis --create -O flex -S openstreetmap-carto-be/openstreetmap-carto-flex.lua  \
       /data/region.osm.pbf  \
       ${OSM2PGSQL_EXTRA_ARGS:-}  \
     ;