Some links related to product description on the About page are broken.

[igarousi]

Describe the bug
The three links listed under the "Product Description" on About page no longer work. We need to update them.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'https://swotviz-staging.cuahsi.io/#/about'
2. Scroll down to 'Product Description' section
3. Click on, for example, 'SWOT Data User Handbook'
4. See <Error> <Code>InvalidKey</Code> <Message>Unknown Key</Message> </Error>

Expected behavior

• Correct link to the SWOT data user handbook: https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/web-misc/swot_mission_docs/D-109532_SWOT_UserHandbook_RevA_20250311_sig-final.pdf [the most recent version can always be found at https://podaac.jpl.nasa.gov/SWOT?tab=datasets-information]
• PO.DAAC hosts a variety of SWOT data products, whose product description documents can be found in the chart listing each dataset.
  • Correct link to SWOT Level 2 Lake Single-Pass Vector Data Product, Version C: https://podaac.jpl.nasa.gov/dataset/SWOT_L2_HR_LakeSP_2.0
  • Correct link to SWOT Level 2 River Single-Pass Vector Data Product, Version C: https://podaac.jpl.nasa.gov/dataset/SWOT_L2_HR_RiverSP_2.0

[igarousi]

Update to the product description links:

• Lake: https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/web-misc/swot_mission_docs/pdd/SWOT-TN-CDM-0673-CNES_Product_Description_L2_HR_LakeSP_20250307_RevC_signed.pdf
• River: https://archive.podaac.earthdata.nasa.gov/podaac-ops-cumulus-docs/web-misc/swot_mission_docs/pdd/D-56413_SWOT_Product_Description_L2_HR_RiverSP_20250224a_RevC_clean_sig_final.pdf