[Snyk] Fix for 5 vulnerabilities

[mrchrisadams]

This PR was automatically created by Snyk using the credentials of a real user.

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 - package-lock.json #### Vulnerabilities that will be fixed ##### With an upgrade: Severity | Priority Score (*) | Issue | Breaking Change | Exploit Maturity :-------------------------:|-------------------------|:-------------------------|:-------------------------|:-------------------------  | **619/1000**
**Why?** Has a fix available, CVSS 8.1 | Prototype Pollution
[SNYK-JS-AJV-584908](https://snyk.io/vuln/SNYK-JS-AJV-584908) | No | No Known Exploit  | **586/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 5.3 | Information Exposure
[SNYK-JS-FOLLOWREDIRECTS-2332181](https://snyk.io/vuln/SNYK-JS-FOLLOWREDIRECTS-2332181) | No | Proof of Concept  | **344/1000**
**Why?** Has a fix available, CVSS 2.6 | Information Exposure
[SNYK-JS-FOLLOWREDIRECTS-2396346](https://snyk.io/vuln/SNYK-JS-FOLLOWREDIRECTS-2396346) | No | No Known Exploit  | **644/1000**
**Why?** Has a fix available, CVSS 8.6 | Prototype Pollution
[SNYK-JS-JSONSCHEMA-1920922](https://snyk.io/vuln/SNYK-JS-JSONSCHEMA-1920922) | No | No Known Exploit  | **696/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 7.5 | Prototype Poisoning
[SNYK-JS-QS-3153490](https://snyk.io/vuln/SNYK-JS-QS-3153490) | No | Proof of Concept (*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: axios

The new version differs by 18 commits.

• a64050a Releasing 0.21.1
• d57cd97 Updating changelog for 0.21.1 release
• 8b0f373 Use different socket for Win32 test (#3375)
• e426910 Protocol not parsed when setting proxy config from env vars (#3070)
• c7329fe Hotfix: Prevent SSRF (#3410)
• f472e5d Adding a type guard for `AxiosError` (#2949)
• 7688255 Remove the skipping of the `socket` http test (#3364)
• 820fe6e Updating axios in types to be lower case (#2797)
• 94ca24b Releasing 0.21.0
• 2130a0c Updating changelog for 0.21.0 release
• fbdc150 Lock travis to not use node v15 (#3361)
• 3a8b87d Fixing an issue that type 'null' and 'undefined' is not assignable to validateStatus when typescript strict option is enabled (#3200)
• 9a78465 Revert "Fixing overwrite Blob/File type as Content-Type in browser. (#1773)" (#3289)
• 6d05b96 Fix typos (#3309)
• fa36737 fix axios.delete ignores config.data (#3282)
• b7e954e Fixing node types (#3237)
• 04d45f2 Fixing requestHeaders.Authorization (#3287)
• e8c6e19 docs: Fix simple typo, existant -> existent (#3252)

See the full diff

Package name: mjml

The new version differs by 132 commits.

• b754972 v4.7.0
• ffe2f3a re-add fix for empty attributes
• 9db80ed Merge pull request #2019 from TrySound/upgrade-juice
• 63e41f2 Mj spacer remove vertical align
• 35248fc Update mj-font documentation
• 46ee010 Update tooling.md
• e8f46b3 added false and "" as enums for full-width
• 37993b9 Remove unused attributes on mj-spacer
• b990dc6 Upgrade juice
• d560b14 v4.7.0-beta.2
• 17833ec upgrade lerna
• 66b7c18 Merge pull request #1946 from TrySound/upgrade-yargs
• 041ac5e Merge pull request #2018 from mjmlio/fix-1942
• 18fa4a4 Merge branch 'master' into fix-1942
• a891c29 remove extra argument in call to borderParser()
• 9c62ba5 Documentation Update + Ref MJML3
• d61bc24 Fix validate command to use the default base directory
• 331047d feat: also return the mjml json structure
• 9fccb3a fix mj-html-attribute validation
• 0b9e2db fix #1942 dont process head with cheerio
• 866c4df Revamp mj-hero doc
• 246df84 Merge pull request #1941 from mjmlio/fix/empty-attributes
• 86f5b9e Merge pull request #1957 from iamandrewluca/jennyfer
• 5edfa03 chore: include directory for monorepo packages

See the full diff

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