added v3patch1 upgrade plan and test

[miladz68]

Description

This PR adds v3patch1 upgrade plan and tests

Reviewers checklist:

• Try to write more meaningful comments with clear actions to be taken.
• Nit-picking should be unblocking. Focus on core issues.

Authors checklist

• Provide a concise and meaningful description
• Review the code yourself first, before making the PR.
• Annotate your PR in places that require explanation.
• Think and try to split the PR to smaller PR if it is big.

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This change is 

[ysv]

Reviewed 3 of 3 files at r1, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @dzmitryhil, @miladz68, and @wojtek-coreum)

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app/upgrade/v3/v3patch1/upgrade.go line 1 at r1 (raw file):

package v2patch1

wrong name here

[miladz68]

Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @dzmitryhil, @wojtek-coreum, and @ysv)

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app/upgrade/v3/v3patch1/upgrade.go line 1 at r1 (raw file):

Previously, ysv (Yaroslav Savchuk) wrote…

wrong name here

Done.

[ysv]

Reviewed 1 of 1 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @dzmitryhil and @wojtek-coreum)

[dzmitryhil]

Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @wojtek-coreum)

[wojtek-coreum]

Reviewed 2 of 3 files at r1, 1 of 1 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @miladz68)