Bump tecnickcom/tcpdf from 6.2.17 to 6.2.22

[dependabot[bot]]

Bumps tecnickcom/tcpdf from 6.2.17 to 6.2.22.

Changelog

Sourced from tecnickcom/tcpdf's changelog.

6.2.22 (2018-09-14)

• Fixes on include/tcpdf_images.php, include/tcpdf_static.php and tcpdf.php about file handling

6.2.21 (2018-09-14)

• no code changes

6.2.20 (2018-09-14)

• Fix for security vulnerability: Using the phar:// wrapper it was possible to trigger the unserialization of user provided data.

6.2.19 (2018-09-14)

• Merge various fixes for PHP 7.3 compatibility and security.

6.2.13 (2016-06-10)

• IMPORTANT: A new version of this library is under development at https://github.com/tecnickcom/tc-lib-pdf and as a consequence this version will not receive any additional development or support. This version should be considered obsolete, new projects should use the new version as soon it will become stable.

6.2.12 (2015-09-12)

• fix composer package name to tecnickcom/tcpdf

6.2.11 (2015-08-02)

• Bug #1070 "PNG regression in 6.2.9 (they appear as their alpha channel)" was fixed.
• Bug #1069 "Encoded SRC URLs in tags don't work anymore" was fixed.

6.2.10 (2015-07-28)

• Minor mod to PNG parsing.
• Make dependency on mcrypt optional.

6.2.8 (2015-04-29)

• Removed unwanted file.

6.2.7 (2015-04-28)

• Merged PR 17: Avoid warning when iterating a non-array variable.
• Merged PR 16: Improve MuliCell param definition.
• Improved column check (PR 15).
• Merged PR 11: Use stream_is_local instead of limit to file://.
• Merged PR 10: ImageMagick link on README.txt.

6.2.6 (2015-01-28)

• Bug #1008 "UTC offset sing breaks PDF/A-1b compliance" was fixed.

6.2.5 (2015-01-24)

• Bug #1019 "$this in static context" was fixed.
• Bug #1015 "Infinite loop in getIndirectObject method of parser" was fixed.

6.2.4 (2015-01-08)

• fix warning related to empty K_PATH_URL.
• fix error when a $table_colwidths key is not set.

6.2.3 (2014-12-18)

• New comment.
• Moved the K_PATH_IMAGES definition in tcpdf_autoconfig.

... (truncated)

Commits

• ac6e92f Fix for security vulnerability: Using the phar:// wrapper it was possible to ...
• a3273af Remove typo comment
• 1861e33 Fix for security vulnerability: Using the phar:// wrapper it was possible to ...
• b32e75e Bump version
• f20c0fc Merge pull request #91 from kozaktomas/switch-issue
• e377b73 Merge pull request #92 from moveDaniel/patch-1
• 5d6afea Merge pull request #93 from viktorminko/fix-rtl-spaces-reversion
• 09f2e89 Merge pull request #94 from leofeyer/patch-1
• e6285db Bump version
• 9e42c87 restore encoding on destroy function
• Additional commits viewable in compare view

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