ci(release): update readme (#49)

Author: github-actions[bot]

README.md

@@ -13,23 +13,23 @@ 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 | 10/24/2018 |
-| libmf6 | 6.6.2 | 05/12/2025 |
+| gridgen | 1.0.02 | 08/11/2025 |
+| libmf6 | 6.6.3 | 10/02/2025 |
 | mf2000 | 1.19.01 | 03/30/2010 |
 | mf2005 | 1.12.00 | 12/07/2021 |
-| mf6 | 6.6.2 | 05/12/2025 |
+| mf6 | 6.6.3 | 10/02/2025 |
 | mflgr | 2.0.0 | 09/20/2013 |
 | mfnwt | 1.3.0 | 09/07/2022 |
-| mfusg | 1.5 | 02/27/2019 |
-| mfusg_gsi | 2.4.0 | None |
+| mfusg | 1.5 | 09/30/2025 |
+| mfusg_gsi | 2.5.0 | 04/03/2025 |
 | 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 | 07/12/2019 |
+| 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 |
 | vs2dt | 3.3 | 04/02/2018 |
-| zbud6 | 6.6.2 | 05/12/2025 |
+| zbud6 | 6.6.3 | 10/02/2025 |
 | zonbud3 | 3.01 | 10/25/2018 |
-| zonbudusg | 1.5 | 02/27/2019 |
+| zonbudusg | 1.5 | 09/30/2025 |