Update feature gates from Agave wiki

Author: github-actions[bot]

app/entities/feature-gate/feature-gates.json

@@ -1674,7 +1674,7 @@
     "testnet_activation_epoch": 954,
     "devnet_activation_epoch": 1067,
     "comms_required": null,
-    "mainnet_activation_epoch": null,
+    "mainnet_activation_epoch": 992,
     "description": "Specify the protocol for validating chained block ids under both TowerBFT and Alpenglow."
   },
   {
@@ -1785,7 +1785,7 @@
     "min_fd_versions": [],
     "min_jito_versions": [],
     "planned_testnet_order": null,
-    "testnet_activation_epoch": null,
+    "testnet_activation_epoch": 979,
     "devnet_activation_epoch": null,
     "comms_required": null,
     "mainnet_activation_epoch": null,
@@ -1930,7 +1930,7 @@
     "min_jito_versions": [],
     "planned_testnet_order": null,
     "testnet_activation_epoch": 977,
-    "devnet_activation_epoch": null,
+    "devnet_activation_epoch": 1092,
     "comms_required": null,
     "mainnet_activation_epoch": null,
     "description": "Introduce a sol_sha512 syscall with an identical interface to sol_sha256, producing SHA-512 hashes and outputting the 64-byte result."
@@ -2012,7 +2012,7 @@
     "description": "Specify the protocol for validating chained block ids under both TowerBFT and Alpenglow.",
     "devnet_activation_epoch": 1091,
     "key": "vcmrw431aNM8ngQ46derkZXipoTGQdbHkEygBDh12dA",
-    "mainnet_activation_epoch": null,
+    "mainnet_activation_epoch": 992,
     "min_agave_versions": [
       "v4.0.2 / v4.1.0-beta.3"
     ],