feat: add automated dependency bump checker and changelog validator

[cryptodev-2s]

Description

Adds a new check-deps command to automatically detect, validate, and update dependency bump entries in CHANGELOGs.

Key Features

• Detects dependency bumps from git diffs in package.json files
• Validates exact versions in changelog entries (catches stale entries)
• Auto-updates changelogs with --fix flag
• Preserves PR history when bumping same dependency multiple times
• Release-aware - adds entries to ## [X.Y.Z] section when package version changes, or [Unreleased] otherwise
• Repository agnostic - reads repo URL from package.json
• Handles renamed packages - automatically detects package rename info from package.json scripts to correctly parse changelogs with old package name tags

Example:

# Before (PR #7007):
- Bump `@metamask/transaction-controller` from `^61.0.0` to `^61.1.0` ([#7007](...))

# After fix (PR #1234):
- Bump `@metamask/transaction-controller` from `^61.0.0` to `^62.0.0` ([#7007](...), [#1234](...))

Testing in MetaMask/core

# Build tool
cd /path/to/create-release-branch && yarn build

# From core
cd /path/to/core
git checkout -b test-dep-bumps

# In one or more packages, modify package.json to:
# - Bump some dependencies
# - Bump some peerDependencies  
# - Bump some devDependencies (to verify they're correctly excluded)
# - Change the package version (to test release detection)

git add . && git commit -m "Test: bump dependencies"

# Validate
node /path/to/auto-changelog/dist/cli.js check-deps

# Fix without PR number
node /path/to/auto-changelog/dist/cli.cjs check-deps --fix

# Fix with PR number
node /path/to/auto-changelog/dist/cli.cjs check-deps --fix --pr 4532

# Validate with github-tools (https://github.com/MetaMask/github-tools)
cd /path/to/github-tools
yarn run changelog:check "/path/to/core" "main" "4532"

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Note

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