Renovate[bot]: Update dependency terser to v5.20.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
terser (source)	5.19.4 -> 5.20.0

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Pre-merge checks

• Make sure the GitHub Actions tests are passing.

• Run bin/compare-build-branch.sh locally on this branch and confirm that this PR is not causing unexpected changes to the build. Requirements to run this script: grunt build and nvm.

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Release Notes

terser/terser (terser)

v5.20.0

Compare Source

• Passing minify() zero files will now throw a clean exception (#​1450)
• drop_console supports passing in an array of console.* method names (#​1445)
• New DOM properties from the WebGPU API have been added for use in the property mangler (#​1436)
• Internal code simplification (#​1437)

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Configuration

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[mattyrob]

Local run of bin/compare-build-branch.sh renovate/terser-5.x returned:

Diff results for branch: renovate/terser-5.x
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       0 build-compare.diff