update weth caps on metis to 1400

diffs/pre_MetisCapsUpdate_20240409_post_MetisCapsUpdate_20240409.md

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+## Reserve changes
+
+### Reserves altered
+
+#### WETH ([0x420000000000000000000000000000000000000A](https://andromeda-explorer.metis.io/address/0x420000000000000000000000000000000000000A))
+
+| description | value before | value after |
+| --- | --- | --- |
+| supplyCap | 1,200 WETH | 1,400 WETH |
+
+
+## Raw diff
+
+```json
+{
+  "reserves": {
+    "0x420000000000000000000000000000000000000A": {
+      "supplyCap": {
+        "from": 1200,
+        "to": 1400
+      }
+    }
+  }
+}
+```

src/MetisCapsUpdate_20240409.s.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {AaveV3MetisAssets} from 'aave-address-book/AaveV3Metis.sol';
+import {IAaveV3ConfigEngine} from 'aave-helpers/v3-config-engine/IAaveV3ConfigEngine.sol';
+import {EngineFlags} from 'aave-helpers/v3-config-engine/EngineFlags.sol';
+import {CapsPlusRiskStewardMetis} from '../scripts/CapsPlusRiskStewardMetis.s.sol';
+
+/**
+ * @title Increase Supply Cap for WETH on V3 Metis
+ * @author Chaos Labs
+ * - Discussion: https://governance.aave.com/t/arfc-chaos-labs-risk-stewards-increase-supply-cap-for-weth-on-v3-metis-04-08-2024/17297
+ */
+contract MetisCapsUpdate_20240409 is CapsPlusRiskStewardMetis {
+  /**
+   * @return string name identifier used for the diff
+   */
+  function name() internal pure override returns (string memory) {
+    return 'MetisCapsUpdate_20240409';
+  }
+
+  /**
+   * @return IAaveV3ConfigEngine.CapsUpdate[] capUpdates to be performed
+   */
+  function capsUpdates() internal pure override returns (IAaveV3ConfigEngine.CapsUpdate[] memory) {
+    IAaveV3ConfigEngine.CapsUpdate[] memory capUpdates = new IAaveV3ConfigEngine.CapsUpdate[](1);
+
+    capUpdates[0] = IAaveV3ConfigEngine.CapsUpdate(
+      AaveV3MetisAssets.WETH_UNDERLYING,
+      1_400,
+      EngineFlags.KEEP_CURRENT
+    );
+    return capUpdates;
+  }
+}