Update supported release lines (#1263)

## Description

closes: #1152

---

Before we can merge this PR, please make sure that all the following items have been
checked off. If any of the checklist items are not applicable, please leave them but
write a little note why.

- [x] Targeted PR against correct branch (see [CONTRIBUTING.md](https://github.com/cosmos/ibc-go/blob/master/CONTRIBUTING.md#pr-targeting))
- [ ] Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
- [ ] Code follows the [module structure standards](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules/structure.md).
- [ ] Wrote unit and integration [tests](https://github.com/cosmos/ibc-go/blob/master/CONTRIBUTING.md#testing)
- [ ] Updated relevant documentation (`docs/`) or specification (`x/<module>/spec/`)
- [ ] Added relevant `godoc` [comments](https://blog.golang.org/godoc-documenting-go-code).
- [ ] Added a relevant changelog entry to the `Unreleased` section in `CHANGELOG.md`
- [x] Re-reviewed `Files changed` in the Github PR explorer
- [ ] Review `Codecov Report` in the comment section below once CI passes

RELEASES.md

@@ -65,9 +65,11 @@ Only the following major release series have a stable release status:
 
 |Release|End of Life Date|
 |-------|-------|
-|`v1.1.x`|July 01, 2022|
-|`v1.2.x`|July 01, 2022|
-|`v2.0.x`|February 01, 2023|
+|`v1.3.x`|July 01, 2022|
+|`v1.4.x`|July 01, 2022|
+|`v2.1.x`|February 01, 2023|
+|`v2.2.x`|February 01, 2023|
+|`v3.0.x`|March 15, 2023|
 
 **Note**: The v1 major release series will reach end of life 6 months after merging this policy. v2 will reach end of life one year after merging this policy.