fix(ci): fixup correct path for check_and_update.py (#2777)

Signed-off-by: Ettore Di Giacinto <mudler@users.noreply.github.com>

.github/checksum_checker.sh

@@ -14,7 +14,7 @@ function check_and_update_checksum() {
     idx="$5"
 
     # Download the file and calculate new checksum using Python
-    new_checksum=$(python3 ./check_and_update.py $uri)
+    new_checksum=$(python3 ./.github/check_and_update.py $uri)
     result=$?
 
     if [[ $result -eq 5 ]]; then