fix(generator-cli): remove leftover merge conflict markers in versions.yml

[tstanmay13]

Description

#16444 accidentally left rebase conflict markers (|||||||/=======/>>>>>>>) and a duplicated changelog block in packages/generator-cli/versions.yml. This broke YAML parsing in the Publish Generator CLI workflow's check-version step, so the 0.9.38 publish from the #16444 merge failed (run 27320288027: YAMLException: end of the stream or a document separator is expected (29:1)).

This removes the markers and the duplicated entry; the file now contains the intended history: 0.9.38 (replay 0.18.0 bump), 0.9.37, 0.9.36, ... Merging this should retrigger the publish and ship generator-cli 0.9.38.

Changes Made

• packages/generator-cli/versions.yml: deleted 16 lines of leftover conflict markers + duplicated 0.9.37-numbered copy of the replay bump entry
• Verified the file parses with js-yaml locally
• Updated README.md generator (not applicable)

Testing

• Manual testing completed: js-yaml load succeeds; no conflict markers remain (grep clean)
• Unit tests added/updated (n/a — data file fix)

Link to Devin session: https://app.devin.ai/sessions/ebae597e588c4fecb8f3802f05617c2a
Requested by: @tstanmay13

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