[js/webgpu] Fix mha name (microsoft#20860)

### Description
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### Motivation and Context
<!-- - Why is this change required? What problem does it solve?
- If it fixes an open issue, please link to the issue here. -->

js/web/lib/wasm/jsep/webgpu/op-resolve-rules.ts

@@ -23,7 +23,7 @@ import {instanceNorm} from './ops/instance-norm';
 import {layerNorm} from './ops/layer-norm';
 import {matMul} from './ops/matmul';
 import {matMulNBits, parseMatMulNBitsAttributes} from './ops/matmulnbits';
-import {multiHeadAttention, parseMultiHeadAttentionAttributes} from './ops/multihead-attentiion';
+import {multiHeadAttention, parseMultiHeadAttentionAttributes} from './ops/multihead-attention';
 import {pad} from './ops/pad';
 import * as pool from './ops/pool';
 import {range} from './ops/range';

js/web/lib/wasm/jsep/webgpu/ops/group-query-attention.ts

@@ -9,7 +9,7 @@ import {ComputeContext, ProgramInfo, ProgramInputTensorInfoDependency, ProgramUn
 
 import {applyAttention, AttentionAttrs, AttentionMaskType, AttentionParameters, AttentionQkvFormat} from './attention';
 import {createTensorShapeVariables, inputVariable, outputVariable, ShaderHelper, UniformsArrayType} from './common';
-import {maybeTransposeToBNSHAndAddBias} from './multihead-attentiion';
+import {maybeTransposeToBNSHAndAddBias} from './multihead-attention';
 import {createTileProgramInfo} from './tile';
 import {createTransposeProgramInfo, TransposeAttributes} from './transpose';