Update node 20 and 24 versions to 20.20.2 and 24.14.1

[baarde]

Context

Node versions 20.20.0 and 24.13.0 have vulnerabilities:
https://nodejs.org/en/blog/vulnerability/march-2026-security-releases

This PR updates them to the latest versions.

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Description

• Update NODE20_VERSION from 20.20.0 to 20.20.2.
• Update NODE24_VERSION from 24.13.0 to 24.14.1.

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Risk Assessment (Low / Medium / High)

Low

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Unit Tests Added or Updated (Yes / No)

No

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Additional Testing Performed

$ ./src/dev.sh layout >/dev/null 2>&1 && ./_layout/osx-arm64/externals/node20_1/bin/node --version
v20.20.2

$ ./src/dev.sh layout >/dev/null 2>&1 && ./_layout/osx-arm64/externals/node24/bin/node --version
v24.14.1

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Change Behind Feature Flag (Yes / No)

No

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Tech Design / Approach

Replace all occurrences of 20.20.0 with 20.20.2 and all occurrences of 24.13.0 with 24.14.1.

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Documentation Changes Required (Yes/No)

No

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Logging Added/Updated (Yes/No)

No

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Telemetry Added/Updated (Yes/No)

No

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Rollback Scenario and Process (Yes/No)

No

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Dependency Impact Assessed and Regression Tested (Yes/No)

No

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