Fix name of gz-fuel_tools in package.xml (#2386)

The package name has an underscore between `fuel` and `tools`.

Signed-off-by: Addisu Z. Taddese <addisu@openrobotics.org>

Author: azeey

package.xml

@@ -14,7 +14,7 @@
   <depend>glut</depend>
   <depend>gz-cmake3</depend>
   <depend>gz-common5</depend>
-  <depend>gz-fuel-tools9</depend>
+  <depend>gz-fuel_tools9</depend>
   <depend>gz-gui8</depend>
   <depend>gz-math7</depend>
   <depend>gz-msgs10</depend>