Bump maatwebsite/excel from 2.1.22 to 2.1.30

[dependabot[bot]]

Bumps maatwebsite/excel from 2.1.22 to 2.1.30.

Release notes

Sourced from maatwebsite/excel's releases.

v2.1.30

Laravel 5.7

v2.1.29

No release notes provided.

v2.1.18

No release notes provided.

v2.1.27

No release notes provided.

v2.1.26

No release notes provided.

v2.1.25

Laravel 5.6 support

v2.1.24

No release notes provided.

v2.1.23

No release notes provided.

Commits

• f5540c4 7.2 not supported due to PHPExcel
• 0660809 Update composer.json
• 5543f82 Allow Laravel 5.7.x releases (#1780)
• 8e1a05c Update composer.json
• e1e1e1a Fix: NonEnglish garbled (#1774)
• 7acc71e update phpdoc block to avoid phpstan error (#1732)
• b522845 Update sheet-properties.md (#1) (#1719)
• 06e397a 2.1 (#1656)
• ea758fe fix type hinting (#1558)
• d7edfeb Update ISSUE_TEMPLATE.md
• Additional commits viewable in compare view

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