Update base for Update on "[ET-VK][Ops] aten.convolution (Bias=False)"

The final touches to get ET-VK convolution on-par with ATen-VK's convolution.

## Idea
In our shaders, we add the bias to our sum.
```
${VEC4_T[DTYPE]} sum = texelFetch(bias_in, ivec2(pos.z, 0), 0);
```
To keep our shaders as is, we implement having no bias by allocating a buffer of zeros. Then, our shader adds zero to our sum.

## Issue
If `Bias=False`, dummy buffer of zeros is not serialized with the graph. The bias ValueRef is deserialized in the runtime as `TypeTag::NONE`, not `TypeTag::TENSORREF`.

## Solution
If `TypeTag::NONE` is given, (1) create the `vTensor` using the `out_channels` value from the weights and (2) allocate a StagingBuffer of that size. The StagingBuffer will be transferred to GPU memory and initialized to zeros.

Differential Revision: [D55814589](https://our.internmc.facebook.com/intern/diff/D55814589/)

[ghstack-poisoned]

Author: jorgep31415