[KT-54284][Native] Produce deterministic klibs from cinterop. (#4979)

Pass in temp-file C sources to clang via stdin instead of by name.
This prevents absolute paths of temp files from being encoded in bitcode.

kotlin-native/Interop/Indexer/src/main/kotlin/org/jetbrains/kotlin/native/interop/indexer/NativeIndex.kt

@@ -16,10 +16,10 @@
 
 package org.jetbrains.kotlin.native.interop.indexer
 
-enum class Language(val sourceFileExtension: String) {
-    C("c"),
-    CPP("cpp"),
-    OBJECTIVE_C("m")
+enum class Language(val sourceFileExtension: String, val clangLanguageName: String) {
+    C("c", "c"),
+    CPP("cpp", "c++"),
+    OBJECTIVE_C("m", "objective-c")
 }
 
 interface HeaderInclusionPolicy {