Update dependency terser to v1.2.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
terser (changelog)	1.1.20 -> 1.2.3

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Release Notes

ahorek/terser-ruby (terser)

v1.2.3

Compare Source

• update TerserJS to [5.31.1]

v1.2.2

Compare Source

• update TerserJS to [5.30.2]
• build an unminified version to make security reviews easier

v1.2.1

Compare Source

• update TerserJS to [5.30.0]

v1.2.0

Compare Source

• update TerserJS to [5.27.0]
• remove sourcemap patches
• pure_new option added
• EOL rubies are no longer tested
• update rubocop

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Configuration

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