Prepare v1.2.0

[axw]

• Update version
• Update changelog, add missing entries
• Remove step about updating EOL from RELEASE.md, as EOL info is now centralised

[ghost]

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• Start Time: 2022-11-01T08:56:24.631+0000

• Duration: 8 min 14 sec

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Test	Results
Failed	0
Passed	176
Skipped	2
Total	178

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