Use timeout multiplier for riscv64

[..]
Summary of Failures:
4/4 Cargo tests      TIMEOUT        400.06s   killed by signal 15 SIGTERM
Ok:                 3
Expected Fail:      0
Fail:               0
Unexpected Pass:    0
Skipped:            0
Timeout:            1
[..]

Signed-off-by: David Abdurachmanov <davidlt@rivosinc.com>

snapshot.spec

@@ -10,7 +10,7 @@
 
 Name:           snapshot
 Version:        45.0
-Release:        %autorelease
+Release:        %autorelease -e 0.riscv64
 Summary:        Take pictures and videos
 
 # snapshot itself is GPL-3.0-or-later
@@ -105,7 +105,11 @@ cd ~-
 
 %if %{with check}
 %check
+%ifnarch riscv64
 %meson_test
+%else
+%meson_test --timeout-multiplier 10
+%endif
 
 appstream-util validate-relax --nonet $RPM_BUILD_ROOT%{_metainfodir}/org.gnome.Snapshot.metainfo.xml
 desktop-file-validate $RPM_BUILD_ROOT%{_datadir}/applications/org.gnome.Snapshot.desktop