[Snyk] Security upgrade fastify from 0.26.2 to 0.39.0

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • package.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Issue	Breaking Change	Exploit Maturity
	Prototype Pollution SNYK-JS-AJV-584908	No	No Known Exploit

Commit messages

Package name: fastify

The new version differs by 250 commits.

• 069653f Bumped v0.39.0.
• 5cbbeee Bumped v0.38.1.
• 43d7a97 Merge pull request #645 from nwoltman/fix-595-response-hanging
• 5845916 Check the payload in tests
• edf1225 Merge pull request #647 from jpagarcia/patch-1
• 7b9af89 Merge pull request #648 from fastify/streams-1
• eddc4c5 Removed readable === true check for streams.
• 70354af Added support for streams1 in reply.send()
• b016b4b Update Getting-Started.md
• 9c619f6 Fix 595 and a bug when sending an Error object
• 6c23c92 Merge pull request #641 from fastify/update-lifecycle-after-639
• 84773d4 Update Lifecycle.md
• d3cbf0f Merge pull request #639 from fastify/plugin-log-level
• 26513e8 Test the logs for default 404 handler
• f6c49a9 Merge pull request #633 from fastify/greenkeeper/ajv-6.0.0
• dbcce8d Merge pull request #640 from fastify/doc-fix
• f1064b7 Fix decorateRequest example
• a7888ef Updated docs
• 6097d4b Updated test
• 2f2c9a6 Added custom logLevel support
• c3a8047 Merge pull request #637 from nwoltman/improve-logging
• d251913 Improve how stream errors are logged
• 629c16c Bumped v0.38.0
• e68e477 Merge pull request #632 from fastify/update-light-my-request

See the full diff

Check the changes in this PR to ensure they won't cause issues with your project.

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[coveralls]

Coverage remained the same at 100.0% when pulling 4c78c2b848fefe9ffc081ec564339f033fc43eeb on snyk-fix-5f3fef557b32b5ba5d9c91c195d313e9 into 42734ba0acdb6d1cc484164a23f33eb87e01fd67 on master.