Update SignInSample Podfile minimum iOS version (#355)

Samples/ObjC/SignInSample/Podfile

@@ -1,4 +1,4 @@
-platform :ios, '10.0'
+platform :ios, '11.0'
 use_frameworks!
 
 target 'SampleForPod' do

Samples/ObjC/SignInSample/SignInSampleForPod.xcodeproj/project.pbxproj

@@ -308,16 +308,22 @@
 			inputPaths = (
 				"${PODS_ROOT}/Target Support Files/Pods-SampleForPod/Pods-SampleForPod-frameworks.sh",
 				"${BUILT_PRODUCTS_DIR}/AppAuth/AppAuth.framework",
+				"${BUILT_PRODUCTS_DIR}/AppCheckCore/AppCheckCore.framework",
 				"${BUILT_PRODUCTS_DIR}/GTMAppAuth/GTMAppAuth.framework",
 				"${BUILT_PRODUCTS_DIR}/GTMSessionFetcher/GTMSessionFetcher.framework",
 				"${BUILT_PRODUCTS_DIR}/GoogleSignIn/GoogleSignIn.framework",
+				"${BUILT_PRODUCTS_DIR}/GoogleUtilities/GoogleUtilities.framework",
+				"${BUILT_PRODUCTS_DIR}/PromisesObjC/FBLPromises.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
 			outputPaths = (
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/AppAuth.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/AppCheckCore.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/GTMAppAuth.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/GTMSessionFetcher.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/GoogleSignIn.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/GoogleUtilities.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/FBLPromises.framework",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;