Update change tooltip in changelog

Dependencies

• [2] GNQD74OZ Add pijul.openChange command and text document provider for pijul-change scheme
• [3] WCQM6IOK Add parsing of Author strings
• [4] L3VOQYAF Add changelog view to the source control panel

Change contents

• replacement in src/views/changelog.ts at line 30
  [2.244]→[2.244:276](∅→∅)
  − resourceUri: resourceUri,
  [2.244]

  [2.276]
  + tooltip: `${element.hash}\nRecorded by ${element.author.fullName ?? element.author.name} at ${element.date.toISOString()}\n\n\t${element.message}\n`,