Integrate llvm/llvm-project@95e0ae9f (#22214)

Carries same 2 reverts as previous integrate
iree-org/iree#22200
Updates IREE for LLVM tablegen change
llvm/llvm-project#161744

Signed-off-by: James Newling <[email protected]>

Author: newling

compiler/src/iree/compiler/Dialect/VM/Tools/VMOpEncoderGen.cpp

@@ -43,7 +43,7 @@ bool emitEncodeFnDefs(const llvm::RecordKeeper &recordKeeper, raw_ostream &os) {
       continue;
 
     Operator op(def);
-    tblgen::NamespaceEmitter emitter(os, op.getDialect());
+    tblgen::DialectNamespaceEmitter emitter(os, op.getDialect());
     os << formatv(
         "LogicalResult {0}::encode(SymbolTable &syms, VMFuncEncoder &e) {{\n",
         op.getCppClassName());