revert changelog v4.2.0 removal

.changelog/v4.2.0/api-breaking/provider/1732-assigning-already-assigned-key-fix.md

@@ -0,0 +1,2 @@
+- Assigning a key that is already assigned by the same validator will now be a no-op instead of throwing an error.
+  ([\#1732](https://github.com/cosmos/interchain-security/pull/1732))

.changelog/v4.2.0/api-breaking/provider/1863-add-minimum-power-in-topN-to-consumer-chain-list.md

@@ -0,0 +1,2 @@
+- Changes the `list-consumer-chains` query to include a `min_power_in_top_N` field, as well as fields for all power shaping parameters of the consumer.
+  ([\#1863](https://github.com/cosmos/interchain-security/pull/1863))

.changelog/v4.2.0/dependencies/1876-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).
+  ([\#1876](https://github.com/cosmos/interchain-security/pull/1876))

.changelog/v4.2.0/dependencies/1876-bump-sdk.md

@@ -0,0 +1,3 @@
+- Bump [cosmos-sdk](https://github.com/cosmos/cosmos-sdk) to
+  [v0.47.11](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.47.11).
+  ([\#1876](https://github.com/cosmos/interchain-security/pull/1876))

.changelog/v4.2.0/features/provider/1587-enable-opt-in-chains-through-gov-proposals.md

@@ -0,0 +1,2 @@
+- Enable Opt In and Top N chains through gov proposals.
+  ([\#1587](https://github.com/cosmos/interchain-security/pull/1587))

.changelog/v4.2.0/features/provider/1809-pss.md

@@ -0,0 +1,3 @@
+- Adding the Partial Set Security (PSS) feature cf. [ADR 015](https://cosmos.github.io/interchain-security/adrs/adr-015-partial-set-security).
+  PSS enables consumer chains to join ICS as _Top N_ or _Opt In_ chains and enables validators to opt to validate the consumer chains they want.
+  ([\#1809](https://github.com/cosmos/interchain-security/pull/1809))

.changelog/v4.2.0/features/provider/1830-introduce-power-shaping.md

@@ -0,0 +1,2 @@
+- Introduce power-shaping features for consumer chains. The features: (i) allow us to cap the total number of validators that can validate the consumer chain, (ii) set a cap on the maximum voting power (percentage-wise) a validator can have on a consumer chain, and (iii) introduce allowlist and denylists to restrict which validators are allowed or not to validate a consumer chain.
+  ([\#1830](https://github.com/cosmos/interchain-security/pull/1830))

.changelog/v4.2.0/features/provider/1863-add-minimum-power-in-topN-to-consumer-chain-list.md

@@ -0,0 +1,2 @@
+- Changes the `list-consumer-chains` query to include a `min_power_in_top_N` field, as well as fields for all power shaping parameters of the consumer.
+  ([\#1863](https://github.com/cosmos/interchain-security/pull/1863))

.changelog/v4.2.0/features/provider/1867-add-query-for-latest-consumer-validator-set.md

@@ -0,0 +1,2 @@
+- Introduces the `consumer-validators` query to retrieve the latest set consumer-validator set for a consumer chain.
+  ([\#1863](https://github.com/cosmos/interchain-security/pull/1867))

.changelog/v4.2.0/state-breaking/provider/1587-enable-opt-in-chains-through-gov-proposals.md

@@ -0,0 +1,2 @@
+- Enable Opt In and Top N chains through gov proposals.
+  ([\#1587](https://github.com/cosmos/interchain-security/pull/1587))

.changelog/v4.2.0/state-breaking/provider/1732-assigning-already-assigned-key-fix.md

@@ -0,0 +1,2 @@
+- Assigning a key that is already assigned by the same validator will now be a no-op instead of throwing an error.
+  ([\#1732](https://github.com/cosmos/interchain-security/pull/1732))

.changelog/v4.2.0/state-breaking/provider/1809-pss.md

@@ -0,0 +1,2 @@
+- Adding the Partial Set Security feature cf. [ADR 015](https://cosmos.github.io/interchain-security/adrs/adr-015-partial-set-security).
+  ([\#1809](https://github.com/cosmos/interchain-security/pull/1809))

.changelog/v4.2.0/state-breaking/provider/1830-introduce-power-shaping.md

@@ -0,0 +1,2 @@
+- Introduce power-shaping features for consumer chains. The features: (i) allow us to cap the total number of validators that can validate the consumer chain, (ii) set a cap on the maximum voting power (percentage-wise) a validator can have on a consumer chain, and (iii) introduce allowlist and denylists to restrict which validators are allowed or not to validate a consumer chain.
+  ([\#1830](https://github.com/cosmos/interchain-security/pull/1830))

.changelog/v4.2.0/summary.md

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