MAINT: bumping firefly_client min version

Author: bsipocz

tox.ini

@@ -29,7 +29,7 @@ deps =
     oldestdeps: astropy==5.3.0
     oldestdeps: photutils==2.0.0
     oldestdeps: astroquery==0.4.10
-    oldestdeps: firefly_client==3.2.0
+    oldestdeps: firefly_client==3.4.0
     oldestdeps: sep==1.4.0
     oldestdeps: pyvo==1.5.0
     oldestdeps: pandas==1.5.2