Bump undertow-core from 2.2.16.Final to 2.2.19.Final in /api

[dependabot[bot]]

Bumps undertow-core from 2.2.16.Final to 2.2.19.Final.

Commits

• 2ec4d95 Prepare 2.2.19.Final
• e52cefb Merge pull request #1361 from fl4via/2.2.x_backport_bug_fixes
• 215316d [UNDERTOW-1997] Add test for a security constraint with "/" path URL Pattern
• e2b1e68 [UNDERTOW-1997] Corrected handling of security constraints with URL pattern '/'
• e8ae803 [UNDERTOW-1934] invoke onClose in case of network failure
• 6f620cd [UNDERTOW-2125] At ReadTimeoutStreamSourceConduit, skip expiration if connect...
• 9a06b56 Merge pull request #1353 from kstekovi/UNDERTOW-2112_2.2.x
• 5177c78 Merge pull request #1359 from fl4via/2.2.x_backport_bug_fixes
• 1d95f77 [UNDERTOW-2135] Partial revert of hack from commit id: 55445de
• 7d3a045 [UNDERTOW-2133] Handle RequestTooBigException
• Additional commits viewable in compare view

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