ci(release): update readme (#67)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

README.md

@@ -9,23 +9,23 @@ The programs, version numbers, and the date stamp on the downloaded file used to
 | Program | Version | UTC Date |
 | ------- | ------- | ---- |
 | crt | 1.3.1 | 04/11/2017 |
-| gridgen | 1.0.02 | 08/11/2025 |
+| gridgen | 1.0.02 | 02/11/2026 |
 | libmf6 | 6.6.3 | 10/02/2025 |
 | mf2000 | 1.19.01 | 03/30/2010 |
 | mf2005 | 1.12.00 | 12/07/2021 |
 | mf6 | 6.6.3 | 10/02/2025 |
 | mflgr | 2.0.0 | 09/20/2013 |
 | mfnwt | 1.3.0 | 09/07/2022 |
 | mfusg | 1.5 | 09/30/2025 |
-| mfusg_gsi | 2.5.0 | 04/03/2025 |
+| mfusg_gsi | 2.6.0 | 10/20/2025 |
 | mp6 | 6.0.1 | 10/23/2018 |
 | mp7 | 7.2.001 | 10/23/2018 |
 | mt3dms | 5.3.0 | 07/05/2023 |
 | mt3dusgs | 1.1.0 | 12/08/2021 |
 | sutra | 4.0 | 12/19/2024 |
 | swtv4 | 4.00.05 | 10/24/2018 |
-| triangle | 1.6 | 07/05/2023 |
+| triangle | 1.6 | 01/30/2026 |
 | vs2dt | 3.3 | 04/02/2018 |
 | zbud6 | 6.6.3 | 10/02/2025 |
-| zonbud3 | 3.01 | 10/25/2018 |
-| zonbudusg | 1.5 | 09/30/2025 |
+| zonbud | 3.01 | 10/20/2025 |
+| zonbudusg | 1.01 | 10/18/2025 |