Add auto assign workflow

[a5chin]

User description

Type of Change

• Hotfix
• Bug Fix
• Dependency Update
• Feature
• Refactor
• CI/CD
• Documentation

Related Issues

Breaking Changes

• No breaking changes
• API signature changed
• Configuration changed
• Behavior changed
• Dependencies changed
• Features removed

Checklist

• Dependencies added/updated
• New environment variables
• Performance impact assessed
• Security implications reviewed
• Deployment notes

Additional Context

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PR Type

Enhancement, Configuration changes

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Description

• Add new auto-assign PR workflow.

• Assign PR opener if no assignee.

• Exclude bot accounts from assignment.

• Rename actionlint workflow.

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Diagram Walkthrough

flowchart LR
  A[Pull Request Opened] --> B{Is not bot AND no assignee?};
  B -- "Yes" --> C[Assign PR to opener];
  B -- "No" --> D[Do nothing];

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File Walkthrough

	Relevant files
Configuration changes	actionlint.yml Rename actionlint workflow                                                              .github/workflows/actionlint.yml Renamed the workflow from Lint GitHub Actions workflows to Lint. +1/-1
Enhancement	assign.yml Add workflow to auto-assign PRs                                                    .github/workflows/assign.yml Introduces a new GitHub Actions workflow named Manage PR Assignee. Triggers automatically when a pull request is opened. Assigns the PR opener (github.actor) as an assignee if no assignee is already set and the opener is not a bot. Utilizes gh pr edit command with GH_TOKEN for assignment. +23/-0

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