refactor(core): Replace typedi with our custom DI system (no-changelog)

[netroy]

Summary

This PR replaces typedi with a DI system that we can maintain and have full control over.

Review / Merge checklist

• PR title and summary are descriptive. (conventions)
• Docs updated or follow-up ticket created.
• Tests included.
• PR Labeled with release/backport (if the PR is an urgent fix that needs to be backported)

[codecov]

Codecov Report

Attention: Patch coverage is 93.17406% with 20 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
packages/@n8n/di/src/di.ts	93.18%	3 Missing ⚠️
packages/@n8n/task-runner/src/start.ts	0.00%	1 Missing ⚠️
packages/cli/src/auth/jwt.ts	0.00%	1 Missing ⚠️
packages/cli/src/commands/audit.ts	0.00%	1 Missing ⚠️
packages/cli/src/commands/execute-batch.ts	0.00%	1 Missing ⚠️
packages/cli/src/commands/execute.ts	0.00%	1 Missing ⚠️
packages/cli/src/commands/export/credentials.ts	0.00%	1 Missing ⚠️
packages/cli/src/commands/export/workflow.ts	0.00%	1 Missing ⚠️
packages/cli/src/commands/license/info.ts	0.00%	1 Missing ⚠️
packages/cli/src/commands/list/workflow.ts	0.00%	1 Missing ⚠️
... and 8 more

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