xl-meta: update metadata version

[poornas]

Description

Motivation and Context

update metadata version since #15956 bumped up the version

How to test this PR?

for newer objects created with master, should be able to decode metadata

 xl-meta /tmp/multisitea/data/disterasure/xl1/olock/bin/aax/xl.meta
2022/10/27 14:18:49 decodeXLHeaders: Unknown xl meta version 2

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Optimization (provides speedup with no functional changes)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• Fixes a regression (If yes, please add commit-id or PR # here)
• Unit tests added/updated
• Internal documentation updated
• Create a documentation update request here

[harshavardhana]

We need to support older version as well does it work with this change too? @poornas

[poornas]

We need to support older version as well does it work with this change too? @poornas

it does work with older versions

[minio-trusted]

Mint Automation

Test	Result
mint-large-bucket.sh	✔️
mint-fs.sh	✔️
mint-erasure.sh	✔️
mint-dist-erasure.sh	✔️
mint-compress-encrypt-dist-erasure.sh	✔️
mint-pools.sh	✔️
Deleting image on docker hub
Deleting image locally

[harshavardhana]

We need an mc PR as well @poornas for this for mc support inspect --export=json

[klauspost]

I'm thinking we should maybe move the executable into cmd - or go all out and make it a separate package.

Either way this is fine for now.

[harshavardhana]

I'm thinking we should maybe move the executable into cmd - or go all out and make it a separate package.

A central package such as at minio/pkg is useful for mc