Bump version to 0.63.0

[imaNNeo]

• BUGFIX (by @imaNNeo) Fix PieChart crash on web-renderer html by ignoring sectionsSpace when Path.combine() does not work (it's flutter engine issue), Pie chart painter uses Path.combine and breaks in html renderer #955
• BUGFIX (by @imaNNeo) Fix ScatterChart long-press interaction bug (disappears when long-pressing on the chart), ScatterChart tooltips disappear immediately after pressing #1318
• FEATURE (by @imaNNeo) Upgrade dart version to 3.0
• IMPROVEMENT (by @imaNNeo) Use new approach for publishing package

[codecov]

Codecov Report

Merging #1356 (99cec50) into master (3b2188d) will not change coverage.
The diff coverage is n/a.

❗ Current head 99cec50 differs from pull request most recent head 483763a. Consider uploading reports for the commit 483763a to get more accurate results

@@           Coverage Diff           @@
##           master    #1356   +/-   ##
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  Coverage   86.08%   86.08%           
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  Files          45       45           
  Lines        2976     2976           
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  Hits         2562     2562           
  Misses        414      414           

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