BLD: Set scipy latest supported version to 1.16 (#653)

Author: rrjbca

tox.ini

@@ -2,7 +2,7 @@
 envlist =
     py{39,310,311,312,313}-test{,-all}{,-dev,-latest,-oldest}{,-cov}
     py{39,310,311,312,313}-test-numpy{119,120,121,122,123,124,125,126,20,21,22,23}
-    py{39,310,311,312,313}-test-scipy{16,17,18,19,110,111,112,113,114,115}
+    py{39,310,311,312,313}-test-scipy{16,17,18,19,110,111,112,113,114,115,116}
     py{39,310,311,312,313}-test-astropy{43,50,51,52,53,60,61,70,71}
     build_docs
     linkcheck
@@ -57,7 +57,8 @@ description =
     scipy112: with scipy 1.12.*
     scipy113: with scipy 1.13.*
     scipy114: with scipy 1.14.*
-    scipy114: with scipy 1.15.*
+    scipy115: with scipy 1.15.*
+    scipy116: with scipy 1.16.*
     astropy43: with astropy 4.3.*
     astropy50: with astropy 5.0.*
     astropy51: with astropy 5.1.*
@@ -93,7 +94,8 @@ deps =
     scipy112: scipy==1.12.*
     scipy113: scipy==1.13.*
     scipy114: scipy==1.14.*
-    scipy114: scipy==1.15.*
+    scipy115: scipy==1.15.*
+    scipy116: scipy==1.16.*
 
     astropy43: astropy==4.3.*
     astropy50: astropy==5.0.*
@@ -111,7 +113,7 @@ deps =
 
     latest: astropy==7.1.*
     latest: numpy==2.3.*
-    latest: scipy==1.15.*
+    latest: scipy==1.16.*
 
     oldest: astropy==4.3.*
     oldest: numpy==1.19.*