fix: Add iOS min SDK version link flags

This is required when publishing to the App Store, and consistent with
what we already do for the macOS deployment target.

(cherry picked from commit 4879eb7)

Author: Faless

tools/ios.py

@@ -36,9 +36,11 @@ def generate(env):
     if env["ios_simulator"]:
         sdk_name = "iphonesimulator"
         env.Append(CCFLAGS=["-mios-simulator-version-min=" + env["ios_min_version"]])
+        env.Append(LINKFLAGS=["-mios-simulator-version-min=" + env["ios_min_version"]])
     else:
         sdk_name = "iphoneos"
         env.Append(CCFLAGS=["-miphoneos-version-min=" + env["ios_min_version"]])
+        env.Append(LINKFLAGS=["-miphoneos-version-min=" + env["ios_min_version"]])
 
     if sys.platform == "darwin":
         if env["IOS_SDK_PATH"] == "":