Replace all occurrences of WITH_RUNTIME with WITH_STDLIB

We are going to deprecate `WITH_RUNTIME` directive. The main reason
behind this change is that `WITH_STDLIB` directive better describes
its meaning, specifically it will add kotlin stdlib to test's classpath.

compiler/testData/codegen/box/contracts/destructuredVariable.kt

@@ -1,6 +1,6 @@
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
 // IGNORE_BACKEND: NATIVE, JS
-// WITH_RUNTIME
+// WITH_STDLIB
 
 import kotlin.contracts.*
 

compiler/testData/codegen/box/contracts/exception.kt

@@ -1,6 +1,6 @@
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
 // IGNORE_BACKEND: NATIVE
-// WITH_RUNTIME
+// WITH_STDLIB
 
 import kotlin.contracts.*
 

compiler/testData/codegen/box/contracts/fieldInConstructorParens.kt

@@ -1,6 +1,6 @@
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
 // IGNORE_BACKEND: NATIVE
-// WITH_RUNTIME
+// WITH_STDLIB
 
 import kotlin.contracts.*
 

compiler/testData/codegen/box/contracts/fieldReadInConstructor.kt

@@ -1,6 +1,6 @@
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
 // IGNORE_BACKEND: NATIVE
-// WITH_RUNTIME
+// WITH_STDLIB
 
 import kotlin.contracts.*
 

compiler/testData/codegen/box/contracts/forLoop.kt

@@ -1,6 +1,6 @@
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
 // IGNORE_BACKEND: NATIVE
-// WITH_RUNTIME
+// WITH_STDLIB
 
 import kotlin.contracts.*
 

compiler/testData/codegen/box/contracts/kt39374.kt

@@ -1,6 +1,6 @@
 // IGNORE_FIR_DIAGNOSTICS
 // IGNORE_BACKEND: NATIVE
-// WITH_RUNTIME
+// WITH_STDLIB
 // WITH_COROUTINES
 import kotlin.contracts.*
 import kotlin.coroutines.*

compiler/testData/codegen/box/contracts/kt45236.kt

@@ -1,4 +1,4 @@
-// WITH_RUNTIME
+// WITH_STDLIB
 
 import kotlin.contracts.ExperimentalContracts
 import kotlin.contracts.contract

compiler/testData/codegen/box/contracts/kt47300.kt

@@ -1,5 +1,5 @@
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
-// WITH_RUNTIME
+// WITH_STDLIB
 
 import kotlin.contracts.ExperimentalContracts
 import kotlin.contracts.InvocationKind

compiler/testData/codegen/box/contracts/lambdaParameter.kt

@@ -1,6 +1,6 @@
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
 // IGNORE_BACKEND: NATIVE
-// WITH_RUNTIME
+// WITH_STDLIB
 
 import kotlin.contracts.*
 

compiler/testData/codegen/box/contracts/listAppend.kt

@@ -1,6 +1,6 @@
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
 // IGNORE_BACKEND: NATIVE
-// WITH_RUNTIME
+// WITH_STDLIB
 
 import kotlin.contracts.*
 

compiler/testData/codegen/box/contracts/nestedLambdaInNonInlineCallExactlyOnce.kt

@@ -1,6 +1,6 @@
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
 // IGNORE_BACKEND: JVM
-// WITH_RUNTIME
+// WITH_STDLIB
 // KT-38849
 
 import kotlin.contracts.*

compiler/testData/codegen/box/contracts/valInWhen.kt

@@ -1,6 +1,6 @@
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
 // IGNORE_BACKEND: NATIVE
-// WITH_RUNTIME
+// WITH_STDLIB
 
 import kotlin.contracts.*