[Snyk] Security upgrade @antora/site-generator-default from 2.3.3 to 3.0.0

[sjmaple]

Snyk has created this PR to fix 10 vulnerabilities in the yarn dependencies of this project.

Snyk changed the following file(s):

• docs/package.json
• docs/yarn.lock

Note for zero-installs users

If you are using the Yarn feature zero-installs that was introduced in Yarn V2, note that this PR does not update the .yarn/cache/ directory meaning this code cannot be pulled and immediately developed on as one would expect for a zero-install project - you will need to run yarn to update the contents of the ./yarn/cache directory.
If you are not using zero-install you can ignore this as your flow should likely be unchanged.

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Information Exposure SNYK-JS-SIMPLEGET-2361683	243
	Remote Code Execution (RCE) SNYK-JS-HANDLEBARS-1056767	219
	Uncontrolled resource consumption SNYK-JS-BRACES-6838727	169
	Prototype Pollution SNYK-JS-HANDLEBARS-1279029	141
	Prototype Pollution SNYK-JS-CONVICT-1062508	115
	Regular Expression Denial of Service (ReDoS) SNYK-JS-NORMALIZEURL-1296539	114
	Regular Expression Denial of Service (ReDoS) SNYK-JS-HTTPCACHESEMANTICS-3248783	63
	Prototype Pollution SNYK-JS-MINIMIST-2429795	59
	Regular Expression Denial of Service (ReDoS) SNYK-JS-UGLIFYJS-1727251	46
	Regular Expression Denial of Service (ReDoS) SNYK-JS-MINIMATCH-3050818	45

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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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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Uncontrolled resource consumption
🦉 Prototype Pollution
🦉 Remote Code Execution (RCE)