bring v17.0.0 changelog to main (#3110)

Co-authored-by: MSalopek <matija.salopek994@gmail.com>

.changelog/v17.0.0/dependencies/3103-bump-comet.md

@@ -0,0 +1,3 @@
+- Bump [CometBFT](https://github.com/cometbft/cometbft)
+  to [v0.37.6](https://github.com/cometbft/cometbft/releases/tag/v0.37.6)
+  ([\#3103](https://github.com/cosmos/gaia/pull/3103))

.changelog/v17.0.0/summary.md

@@ -0,0 +1 @@
+*May 17, 2024*

CHANGELOG.md

@@ -1,5 +1,29 @@
 # CHANGELOG
 
+## v17.0.0
+
+*May 17, 2024*
+
+### DEPENDENCIES
+
+- Bump [CometBFT](https://github.com/cometbft/cometbft)
+  to [v0.37.6](https://github.com/cometbft/cometbft/releases/tag/v0.37.6)
+  ([\#3103](https://github.com/cosmos/gaia/pull/3103))
+- Bump [ICS](https://github.com/cosmos/interchain-security) to
+  [v4.2.0-lsm](https://github.com/cosmos/interchain-security/releases/tag/v4.2.0-lsm)
+  ([\#3103](https://github.com/cosmos/gaia/pull/3103))
+
+### FEATURES
+
+- Add ICS 2.0 aka Partial Set Security (PSS). 
+  See the [PSS docs](https://cosmos.github.io/interchain-security/features/partial-set-security) for more details.
+  ([\#3103](https://github.com/cosmos/gaia/pull/3103))
+
+### STATE BREAKING
+
+- Add ICS 2.0 aka Partial Set Security (PSS)
+  ([\#3103](https://github.com/cosmos/gaia/pull/3103))
+
 ## v16.0.0
 
 *23rd April, 2024*