[clang-tools-extra] Use llvm::is_contained (NFC) (#140456)

diff --git a/clang-tools-extra/clang-tidy/bugprone/NarrowingConversionsCheck.cpp b/clang-tools-extra/clang-tidy/bugprone/NarrowingConversionsCheck.cpp
index bafcd40..de7dab2 100644
--- a/clang-tools-extra/clang-tidy/bugprone/NarrowingConversionsCheck.cpp
+++ b/clang-tools-extra/clang-tidy/bugprone/NarrowingConversionsCheck.cpp
@@ -31,7 +31,7 @@
     return false;
 
   std::string Name = Node.getLocalUnqualifiedType().getAsString();
-  return llvm::any_of(Names, [&Name](StringRef Ref) { return Ref == Name; });
+  return llvm::is_contained(Names, Name);
 }
 
 AST_MATCHER(FieldDecl, hasIntBitwidth) {
diff --git a/clang-tools-extra/clangd/CompileCommands.cpp b/clang-tools-extra/clangd/CompileCommands.cpp
index 808d899..80391fe 100644
--- a/clang-tools-extra/clangd/CompileCommands.cpp
+++ b/clang-tools-extra/clangd/CompileCommands.cpp
@@ -315,7 +315,7 @@
 
   // Check whether the flag exists in the command.
   auto HasExact = [&](llvm::StringRef Flag) {
-    return llvm::any_of(Cmd, [&](llvm::StringRef Arg) { return Arg == Flag; });
+    return llvm::is_contained(Cmd, Flag);
   };
 
   // Check whether the flag appears in the command as a prefix.