chore: set version to 3.4.3

Author: impri2

Siksha.xcodeproj/project.pbxproj

@@ -1196,7 +1196,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 3.4.1;
+				MARKETING_VERSION = 3.4.3;
 				OTHER_LDFLAGS = "$(inherited)";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wafflestudio.siksha.dev;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -1233,7 +1233,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 3.4.1;
+				MARKETING_VERSION = 3.4.3;
 				OTHER_LDFLAGS = "$(inherited)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";