contrib/ci.inria.fr: set timeout to 1800 s

contrib/ci.inria.fr/job-1-check.sh

@@ -72,6 +72,7 @@ else
 fi
 ../configure $CONFIGURE_OPTIONS $CONFIGURE_CHECK  $STARPU_CONFIGURE_OPTIONS
 
+export STARPU_TIMEOUT_ENV=1800
 make
 #make check
 (make -k check || true) 2>&1 | tee  ../check_$$