feat(Icon): export files-upload icon for Teams theme

[manindr]

Exports files-upload icon to Teams theme.

[codecov]

Codecov Report

Merging #1293 into master will increase coverage by 0.56%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1293      +/-   ##
==========================================
+ Coverage   72.17%   72.73%   +0.56%     
==========================================
  Files         753      737      -16     
  Lines        5621     5634      +13     
  Branches     1671     1652      -19     
==========================================
+ Hits         4057     4098      +41     
+ Misses       1557     1529      -28     
  Partials        7        7

Impacted Files	Coverage Δ
...nts/Icon/svg/ProcessedIcons/icons-files-upload.tsx	100% <ø> (ø)	⬆️
...es/teams/components/Icon/svg/icons/filesUpload.tsx	100% <100%> (ø)
...t/src/themes/teams/components/Alert/alertStyles.ts	8% <0%> (-0.34%)	⬇️
...kages/react/src/themes/teams-dark/siteVariables.ts	100% <0%> (ø)	⬆️
...ms/components/Header/headerDescriptionVariables.ts	0% <0%> (ø)	⬆️
...ams-high-contrast/components/Menu/menuVariables.ts	0% <0%> (ø)	⬆️
...ackages/react/src/components/Dropdown/Dropdown.tsx	87.75% <0%> (ø)	⬆️
...src/themes/teams/components/Menu/menuItemStyles.ts	7.14% <0%> (ø)	⬆️
...act/src/themes/teams/components/Text/textStyles.ts	0% <0%> (ø)	⬆️
...rc/themes/teams/components/Label/labelVariables.ts	0% <0%> (ø)	⬆️
... and 63 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 1bf39a4...5a62975. Read the comment docs.

[manindr]

Snapshot of processed icon