AWSCredentialsProvider.Credential_steps(region=XXX) not working

Not sure if this is a bug or working as designed.

```
aws_creds: AwsCredentialsProvider = AwsCredentials.from_git_hub_secrets(
access_key_id="AWS_ACCESS_KEY_ID_DEV_EU_WEST_1",
secret_access_key="AWS_SECRET_ACCESS_KEY_DEV_EU_WEST_1",
)
aws_creds.credential_steps(region="eu-west-1)
```
Produces:

```
- name: Authenticate Via GitHub Secrets
uses: aws-actions/configure-aws-credentials@v4
with:
aws-region: us-west-2
role-duration-seconds: 1800
role-skip-session-tagging: true
aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID_DEV_EU_WEST_1 }}
aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY_DEV_EU_WEST_1 }}
```

It seems the setup is always the same so can patch it at the end of things

```
def update_region_git_hub_secrets(self, env: Environment, asset: str) -> JsonPatch:
return JsonPatch.replace(f"/jobs/{asset}/steps/2/with/aws-region", env.region)

assets_to_update = ["Assets-DockerAsset1", "Assets-DockerAsset2", "Assets-FileAsset1", "Assets-FileAsset2", "Assets-FileAsset3"]
for asset in assets_to_update:
patch = self.update_region_git_hub_secrets(env=env, asset=asset)
deploy_workflow.patch(patch)
```