Fonts: updated Inter to v4.1 (issue #976)

`Inter-*.otf` files are from `Inter-4.1.zip`, folder `extras/otf`

flatlaf-fonts/flatlaf-fonts-inter/build.gradle.kts

@@ -18,7 +18,7 @@
 //     For maven compatibility, <font-version> should be in format <major>.<minor>[.<micro>].
 //     <build-number> is optional and should be incremented only if a new release is
 //     necessary, but the <font-version> has not changed.
-version = "4.0"
+version = "4.1"
 
 if( !rootProject.hasProperty( "release" ) )
 	version = version.toString() + "-SNAPSHOT"