fix(deps): update starters and examples - gatsby

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
gatsby (source, changelog)	^5.13.5 -> ^5.13.7
gatsby-remark-images (source)	^7.13.1 -> ^7.13.2
gatsby-remark-prismjs (source)	^7.13.1 -> ^7.13.2
gatsby-remark-responsive-iframe (source)	^6.13.1 -> ^6.13.2
gatsby-source-wordpress (source)	^7.13.4 -> ^7.13.5

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Release Notes

gatsbyjs/gatsby (gatsby)

### [`v5.13.7`](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@5.13.6...gatsby@5.13.7) [Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@5.13.6...gatsby@5.13.7) ### [`v5.13.6`](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@5.13.5...gatsby@5.13.6) [Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/gatsby@5.13.5...gatsby@5.13.6)

gatsbyjs/gatsby (gatsby-remark-images)

### [`v7.13.2`](https://togithub.com/gatsbyjs/gatsby/compare/gatsby-remark-images@7.13.1...30621b4f44f1b033a99954bf5e4fe73d953adcd4) [Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/gatsby-remark-images@7.13.1...30621b4f44f1b033a99954bf5e4fe73d953adcd4)

gatsbyjs/gatsby (gatsby-remark-prismjs)

### [`v7.13.2`](https://togithub.com/gatsbyjs/gatsby/compare/gatsby-remark-prismjs@7.13.1...30621b4f44f1b033a99954bf5e4fe73d953adcd4) [Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/gatsby-remark-prismjs@7.13.1...30621b4f44f1b033a99954bf5e4fe73d953adcd4)

gatsbyjs/gatsby (gatsby-remark-responsive-iframe)

### [`v6.13.2`](https://togithub.com/gatsbyjs/gatsby/compare/gatsby-remark-responsive-iframe@6.13.1...30621b4f44f1b033a99954bf5e4fe73d953adcd4) [Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/gatsby-remark-responsive-iframe@6.13.1...30621b4f44f1b033a99954bf5e4fe73d953adcd4)

gatsbyjs/gatsby (gatsby-source-wordpress)

### [`v7.13.5`](https://togithub.com/gatsbyjs/gatsby/compare/gatsby-source-wordpress@7.13.4...30621b4f44f1b033a99954bf5e4fe73d953adcd4) [Compare Source](https://togithub.com/gatsbyjs/gatsby/compare/gatsby-source-wordpress@7.13.4...30621b4f44f1b033a99954bf5e4fe73d953adcd4)

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