Update dependency supertest to v6.3.4

[mend-for-github-com]

This PR contains the following updates:

Package	Type	Update	Change
supertest	devDependencies	patch	6.3.3 → 6.3.4

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Release Notes

ladjs/supertest (supertest)

v6.3.4

Compare Source

• chore: bump deps, remove yarn.lock bc4398a
• chore: bump deps c823515
• Merge pull request #​811 from ladjs/dependabot/npm_and_yarn/cookiejar-2.1.4 37017b3
• Merge pull request #​814 from siddtheone/patch-1 6b41374
• Merge pull request #​828 from 9renpoto/9renpoto-patch-1 0ff9c02
• si/visionmedia/ladjs/ 2cba6d4
• Update package.json 79a69b6
• Merge pull request #​821 from yunnysunny/feature/ci-fix c1b8f9d
• ci: fix broken github action cache saving 5d48749
• Merge pull request #​818 from lamweili/patch-1 25920e7
• docs: fixed links (for #​621) 3767f9e
• Update README.md b81d3a4
• Removing unused import 4b372eb
• chore(deps): bump cookiejar from 2.1.3 to 2.1.4 ac9327f
• Merge pull request #​646 from dtom90/patch-1 44d5d72
• Merge pull request #​621 from RichieRunner/patch-1 d91ff37
• Update index.js function definition 9ee6a1b
• Update README.md 13a2b44

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