[ObjC] Avoid warning from Xcode 14.
Xcode 14 is warning:
```
warning: Run script build phase 'Script: Check Runtime Stamps' will be run during every build because it does not specify any outputs. To address this warning, either add output dependencies to the script phase, or configure it to run in every build by unchecking "Based on dependency analysis" in the script phase. (in target 'UnitTests' from project 'ProtocolBuffers_OSX')
```
This setting avoids that warning.
PiperOrigin-RevId: 488703116
diff --git a/objectivec/ProtocolBuffers_OSX.xcodeproj/project.pbxproj b/objectivec/ProtocolBuffers_OSX.xcodeproj/project.pbxproj
index 5f3ffa0..5dfa110 100644
--- a/objectivec/ProtocolBuffers_OSX.xcodeproj/project.pbxproj
+++ b/objectivec/ProtocolBuffers_OSX.xcodeproj/project.pbxproj
@@ -700,6 +700,7 @@
/* Begin PBXShellScriptBuildPhase section */
F4B62A781AF91F6000AFCEDC /* Script: Check Runtime Stamps */ = {
isa = PBXShellScriptBuildPhase;
+ alwaysOutOfDate = 1;
buildActionMask = 2147483647;
files = (
);
diff --git a/objectivec/ProtocolBuffers_iOS.xcodeproj/project.pbxproj b/objectivec/ProtocolBuffers_iOS.xcodeproj/project.pbxproj
index 4b4f083..23b6f0e 100644
--- a/objectivec/ProtocolBuffers_iOS.xcodeproj/project.pbxproj
+++ b/objectivec/ProtocolBuffers_iOS.xcodeproj/project.pbxproj
@@ -707,6 +707,7 @@
/* Begin PBXShellScriptBuildPhase section */
F4B62A791AF91F7500AFCEDC /* Script: Check Runtime Stamps */ = {
isa = PBXShellScriptBuildPhase;
+ alwaysOutOfDate = 1;
buildActionMask = 2147483647;
files = (
);
diff --git a/objectivec/ProtocolBuffers_tvOS.xcodeproj/project.pbxproj b/objectivec/ProtocolBuffers_tvOS.xcodeproj/project.pbxproj
index 3b535ba..9b1f8e6 100644
--- a/objectivec/ProtocolBuffers_tvOS.xcodeproj/project.pbxproj
+++ b/objectivec/ProtocolBuffers_tvOS.xcodeproj/project.pbxproj
@@ -707,6 +707,7 @@
/* Begin PBXShellScriptBuildPhase section */
F4B62A791AF91F7500AFCEDC /* Script: Check Runtime Stamps */ = {
isa = PBXShellScriptBuildPhase;
+ alwaysOutOfDate = 1;
buildActionMask = 2147483647;
files = (
);