add commit-confirm options to vyos_config (#229)

• added vyos_config confirm options

• fix: update commit comment to match main

• fix: documentation example for automatic confirm

• fix: add tests for commit confirm and confirm_timeout options

• fix: add config_confirm changelog fragment

• fix: lint missing diff parameter for edit_config

• fix: add commit confirm integration test

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Co-authored-by: omnom62 <75066712+omnom62@users.noreply.github.com>