Uint8Array to/from Base64 to stage 3, per 2024.02.07 TC39

Author: ljharb

README.md

@@ -36,6 +36,7 @@ Stage 2 indicates that the committee expects these features to be developed and
 | [Decorator Metadata][decorator-metadata]                                       | Kristen Hewell Garrett                                                  | Kristen Hewell Garrett                                                  | :question:                                                          | <sub>[May&nbsp;2023][decorator-metadata-notes]</sub>       |
 | [Import Attributes][import-attributes]                                         | Myles Borins<br />Sven Sauleau<br />Dan Clark<br />Daniel Ehrenberg     | Sven Sauleau<br />Dan Clark<br />Daniel Ehrenberg<br />Nicolò Ribaudo   | <sub>[import-attributes][import-attributes-tests]</sub>             | <sub>[March&nbsp;2023][import-attributes-notes]</sub>      |
 | [Source Phase Imports][source-phase-imports]                                   | Luca Casonato                                                           | Guy Bedford<br />Luca Casonato                                          | :question:                                                          | <sub>[July&nbsp;2023][source-phase-imports-notes]</sub>    |
+| [Uint8Array to/from Base64][uint8array-base64]                                 | Kevin Gibbons                                                           | Kevin Gibbons                                                           | :question:                                                          | <sub>February&nbsp;2024</sub>                              |
 
 ### Stage 2.7
 
@@ -70,7 +71,6 @@ Stage 2 indicates that the committee expects these features to be developed and
 | [Time Zone Canonicalization][time-zone-canon]                                  | Justin Grant                                          | Justin Grant<br />Richard Gibson                                                  | <sub>[May&nbsp;2023][time-zone-canon-notes]</sub>                     |
 | [Deferring Module Evaluation][lazy-import]                                     | Yulia Startsev<br />Guy Bedford                       | Yulia Startsev<br />Guy Bedford<br />Nicolò Ribaudo                               | <sub>[July&nbsp;2023][lazy-import-notes]</sub>                        |
 | [`RegExp.escape`][escape]                                                      | Domenic Denicola<br />Benjamin Gruenbaum<br />Jordan Harband | Jordan Harband                                                             | <sub>[September&nbsp;2023][escape-notes]</sub>                        |
-| [Uint8Array to/from Base64][uint8array-base64]                                 | Kevin Gibbons                                         | Kevin Gibbons                                                                     | <sub>[July&nbsp;2023][uint8array-base64-notes]<br />September&nbsp;2023</sub> |
 | [Joint Iteration][joint]                                                       | Michael Ficarra                                       | Michael Ficarra                                                                   | <sub>February&nbsp;2024]</sub>                                        |
 | [`Promise.try`][try]                                                           | Jordan Harband                                        | Jordan Harband                                                                    | <sub>February&nbsp;2024</sub>                                         |