Update Trainer v2 image in params.env to odh-3.2 tag

[sutaakar]

What this PR does / why we need it:

Which issue(s) this PR fixes (optional, in Fixes #<issue number>, #<issue number>, ... format, will close the issue(s) when PR gets merged):
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• Docs included if any changes are user facing

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[coveralls]

Pull Request Test Coverage Report for Build 20169299811

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 53.654%

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Totals
Change from base Build 20169022199:	0.0%
Covered Lines:	1564
Relevant Lines:	2915

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💛 - Coveralls