fold-security-update-branches: Move global variables

To make it easier to read, move global variables to the top.

Signed-off-by: Walter Lozano <walter.lozano@collabora.com>

release-scripts/fold-security-update-branches

@@ -16,6 +16,13 @@ BASE_RELEASE=${BASE_RELEASE:-}
 ADDON_BRANCHES="${ADDON_BRANCHES:-security updates}"
 COMPONENTS="${COMPONENTS:-target development sdk non-free}"
 
+DRY_RUN=0
+CLEAN=0
+FOLD=0
+CLEAN_GITLAB=0
+CLEAN_OBS=0
+CLEAN_REPREPRO=0
+CLEAN_OBS_REPREPRO=0
 RUN=
 
 function get_packages ()
@@ -184,13 +191,6 @@ usage() {
     echo "Example: BASE_RELEASE='v2021' $0 fold [components...] 2>&1 | tee -a console.log" >&2
 }
 
-DRY_RUN=0
-CLEAN=0
-FOLD=0
-CLEAN_GITLAB=0
-CLEAN_OBS=0
-CLEAN_REPREPRO=0
-CLEAN_OBS_REPREPRO=0
 
 while getopts 'dngor' opt
 do