[RPM] Add missing gdal-python-tools dependency

Processing uses some python scripts that are part of gdal-python-tools package

rpm/qgis.spec.template

@@ -168,6 +168,7 @@ Obsoletes:      python2-%{name} < %{version}-%{release}
 Summary:        Python integration and plug-ins for QGIS
 Requires:       %{name}%{?_isa} = %{combinedversion}-%{release}
 Requires:       gdal-python3
+Requires:       gdal-python-tools
 Requires:       python3-future
 Requires:       python3-jinja2
 Requires:       python3-OWSLib