Juno TokenFactory Upgrade (v15)

This upgrade brings the following major changes to Juno Network:
- New TokenFactory DenomCreationGasConsume parameter (2 million gas consumption to create a new token)
- Cleanup for the next release (SDK v47)

This change is required for DeFi contract developers for a simpler UX when using the tokenfactory in their contracts.

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## Voting Options

YES: Agree to proceed with Juno v15 network upgrade.

NO: Disagree with the Juno v15 network upgrade.

NO WITH VETO: Disagree with the Juno v15 network upgrade and want depositors penalized.

ABSTAIN: Decline to give an opinion on the Juno v15 network upgrade.