fix reference to inbound endpoint and remove invalid attribute (#140)

## Purpose
<!-- Describe the intention of the changes being proposed. What problem
does it solve or functionality does it add? -->
Running the quickstart sample for Azure IoT Operations `AIO 2507
pre-release` doesn't work.

* Version is not allowed on Microsoft.OpcUa inbound endpoints
* Inbound endpoint reference corrected

## Does this introduce a breaking change?
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[  ] Yes
[X] No


## Pull Request Type
What kind of change does this Pull Request introduce?

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```
[x ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:
```

## How to Test
*  Get the code

```
git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install
```

* Test the code
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```
```

## What to Check
Verify that the following are valid
* ...

## Other Information
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@dominicbetts f.y.i.

Author: koepalex

samples/quickstarts/quickstart.bicep

@@ -70,10 +70,9 @@ resource device 'Microsoft.DeviceRegistry/namespaces/devices@2025-07-01-preview'
         assigned: {}
       }
       inbound: {
-        opcUaEndpointName: {
+        [opcUaEndpointName]: {
           endpointType: 'Microsoft.OpcUa'
           address: 'opc.tcp://opcplc-000000:50000'
-          version: '1.0'
           authentication: {
             method: 'Anonymous'
           }