[Snyk] Fix for 5 vulnerabilities

[JustFly1984]

Snyk has created this PR to fix 5 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• packages/react-google-maps-api-gatsby-example/package.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Heap-based Buffer Overflow SNYK-JS-SHARP-5922108	909
	Incomplete List of Disallowed Inputs SNYK-JS-BABELTRAVERSE-5962462	786
	Regular Expression Denial of Service (ReDoS) SNYK-JS-SEMVER-3247795	696
	Inefficient Regular Expression Complexity SNYK-JS-MICROMATCH-6838728	589
	Improper Input Validation SNYK-JS-POSTCSS-5926692	479

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[!IMPORTANT]

• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

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🦉 Inefficient Regular Expression Complexity 🦉 Improper Input Validation