feat(core): `DockerBuildOptions` support network param

[phuhung273]

Issue # (if applicable)

Closes #34514

Reason for this change

DockerRunOptions has network param but DockerBuildOptions doesn't

Description of changes

DockerBuildOptions support network param

Describe any new or updated permissions being added

Description of how you validated changes

Unit + Integ

Test DockerImage.fromBuild with python-alpha/test/integ.function.custom-build

$ ps aux | grep "docker build"
superch+ 44036  0.1  0.1 1994552 26112 pts/0   Sl+  08:20   0:00 docker build -t cdk-5322298f1d5d198bb67c2885f92ffc76a9e60f4ec4b584a8df116ebc75ebc843 --network default /workspaces/aws-cdk/packages/@aws-cdk/aws-lambda-python-alpha/test/lambda-handler-custom-build

Test PythonLayerVersion with python-alpha/test/integ.function.project

$ ps aux | grep "docker build"
superch+ 76129  100  0.1 1920308 24064 pts/0   Sl+  09:09   0:00 docker build -t cdk-858025f5c9bccadc11d046a66c283180089509773bb117d94236a7e2c03a0295 --platform linux/amd64 --network default --build-arg IMAGE=public.ecr.aws/sam/build-python3.13 /workspaces/aws-cdk/packages/@aws-cdk/aws-lambda-python-alpha/lib

Checklist

• [x] My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

---

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 8b3ccfb22546af2ecd29ec41210ee60540e9012e
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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