update epoch 10 deadline (#33)

Author: abcoathup

blog/2025-11-30-dtg-november-update/index.md

@@ -20,7 +20,7 @@ _**TL;DR**: 60M gas limit, mainnet upgrades to Fusaka on December 3 and Optimism
 ### Smart Contract Languages
 #### [Solidity](https://soliditylang.org/) 
 * [Core Solidity deep dive](https://www.soliditylang.org/blog/2025/11/14/core-solidity-deep-dive/).  [Feedback](https://forum.soliditylang.org/t/call-for-feedback-core-solidity-deep-dive/3643) on the Solidity forum.
-* Solidity is in [Octant Epoch 10](https://x.com/OctantApp/status/1993802455038218415) (top 25 projects from nine epochs), allocation is January 6-26, 2026.
+* Solidity is in [Octant Epoch 10](https://x.com/OctantApp/status/1993802455038218415) (top 25 projects from nine epochs), allocation is January 6-20, 2026.
 
 #### [Vyper](https://vyperlang.org/)
 * [Mastering Ethereum](https://masteringethereum.xyz/) second edition: [Vyper chapter](https://masteringethereum.xyz/chapter_8.html).

blog/2025-12-31-dtg-december-update/index.md

@@ -23,7 +23,7 @@ _**TL;DR**: mainnet successfully upgraded to Fusaka & BPO1, Optimism's Retro Fun
 * Solidity [v0.8.32/33](https://www.soliditylang.org/blog/2025/12/18/solidity-0.8.32-0.8.33-release-announcement): fix for [lost storage array write on slot overflow](https://www.soliditylang.org/blog/2025/12/18/lost-storage-array-write-on-slot-overflow-bug/).
 * [Solidity Summit recap](https://www.soliditylang.org/blog/2025/12/04/solidity-summit-2025-recap/): recordings and slides from Devconnect.
 * [2025 recap](https://x.com/argotorg/status/2005987291194651129).
-* Reminder: Solidity is in [Octant Epoch 10](https://x.com/OctantApp/status/1993802455038218415) (top 25 projects from nine epochs), allocation is January 6-26.
+* Reminder: Solidity is in [Octant Epoch 10](https://x.com/OctantApp/status/1993802455038218415) (top 25 projects from nine epochs), allocation is January 6-20.
 
 ### Client Libraries
 #### [alloy](https://alloy.rs/) (Rust)