Update Sandwich SDK to 7.5.0 (#295)

Author: SpertsyanKM

Editor/QonversionDependencies.xml

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <dependencies>
     <androidPackages>
-        <androidPackage spec="io.qonversion:sandwich:7.4.0" />
+        <androidPackage spec="io.qonversion:sandwich:7.5.0" />
         <androidPackage spec="com.fasterxml.jackson.core:jackson-databind:2.11.1" />
         <androidPackage spec="org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.2.61" />
     </androidPackages>
     <iosPods>
-      <iosPod name="QonversionSandwich" version="7.4.0" />
+      <iosPod name="QonversionSandwich" version="7.5.0" />
     </iosPods>
 </dependencies>