fix: increase db2 timeout for 11.5.9.0

[KyleAure]

• I have considered the risk of behavior change or other zero migration impact (https://github.com/OpenLiberty/open-liberty/wiki/Behavior-Changes).
• If this PR fixes an Issue, the description includes "Fixes #FILLMEIN" or "Resolves #FILLMEIN" (verify release bug label if applicable: https://github.com/OpenLiberty/open-liberty/wiki/Open-Liberty-Conventions).
• If this PR resolves an external Known Issue (including APARS), the description includes "Fixes #FILLMEIN" or "Resolves #FILLMEIN".

Intermittent timeouts when starting Db2Container after updating from 11.5.8.0 to 11.5.9.0 image.

[KyleAure]

#build (view Open Liberty Personal Build - ❌ completed with errors/failures.)

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[KyleAure]

DB2 SOE Build: https://libh-proxy1.fyre.ibm.com/cognitive/pipelineAnalysis.html?pipelineId=50db0990-77e7-47dc-84a4-71a62797c453

Note: Target locations of links might be accessible only to IBM employees.

[LibbyBot]

Code analysis and actions

DO NOT DELETE THIS COMMENT.

• 4 FAT files were changed, added, or removed.

• Check that the build did not break the affected FAT suite(s).

• 1 test infrastructure code files were changed.

• Test failures/errors in the build could be due to these changes.

• Please describe in a separate comment how you tested your changes.

[LibbyBot]

Your personal build request is at https://wasrtc.hursley.ibm.com:9443/jazz/resource/itemOid/com.ibm.team.build.BuildResult/_PLFXYdg7Ee-0yqtOHBleJw

Target locations of links might be accessible only to IBM employees.

[KyleAure]

#build - unit test failure (view Open Liberty Personal Build - ❌ completed with errors/failures.)

Note: Target locations of links might be accessible only to IBM employees.

[KyleAure]

DB2 SOE Build: https://libh-proxy1.fyre.ibm.com/cognitive/pipelineAnalysis.html?pipelineId=3c747547-5628-4552-b409-5e7e65342e11

Note: Target locations of links might be accessible only to IBM employees.

[LibbyBot]

Code analysis and actions

DO NOT DELETE THIS COMMENT.

• 4 FAT files were changed, added, or removed.

• Check that the build did not break the affected FAT suite(s).

• 2 test infrastructure code files were changed.

• Test failures/errors in the build could be due to these changes.

• Please describe in a separate comment how you tested your changes.

[LibbyBot]

Your personal build request is at https://wasrtc.hursley.ibm.com:9443/jazz/resource/itemOid/com.ibm.team.build.BuildResult/_YePrkNiNEe-0yqtOHBleJw

Target locations of links might be accessible only to IBM employees.

[KyleAure]

Personal build - failed with two known unrelated defects.
DB2 SOE - failed with one known unrelated defect.