Add slf4j.api to the manifest

[grigoriev]

Current Behavior

One of the latest feature in generic leads to a warning in the log during extension initialization:

2024-09-18 11:29:52,812 [Catalina-utility-2] WARN com.polarion.psvn.launcher.SystemErrLogger - Something is written to System.err, the original message follows.
com.polarion.core.util.ThrowableUtils$StackTraceException: null
at com.polarion.core.util.ThrowableUtils.getTrace(ThrowableUtils.java:109) ~[util.jar:?]
at com.polarion.psvn.launcher.SystemErrLogger.log(SystemErrLogger.java:264) ~[launcher.jar:?]
at com.polarion.psvn.launcher.SystemErrLogger.println(SystemErrLogger.java:108) ~[launcher.jar:?]
at org.slf4j.helpers.Util.report(Util.java:128) ~[slf4j-api-1.7.32.jar:1.7.32]
at org.slf4j.LoggerFactory.bind(LoggerFactory.java:157) ~[slf4j-api-1.7.32.jar:1.7.32]
at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:124) ~[slf4j-api-1.7.32.jar:1.7.32]
at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:417) ~[slf4j-api-1.7.32.jar:1.7.32]
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:362) ~[slf4j-api-1.7.32.jar:1.7.32]
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:388) ~[slf4j-api-1.7.32.jar:1.7.32]
at org.reflections.Reflections.(Reflections.java:115) ~[reflections-0.10.2.jar:?]
at ch.sbb.polarion.extension.generic.util.ContextUtils.(ContextUtils.java:20) ~[ch.sbb.polarion.extension.generic.app-7.0.0.jar:?]
at ch.sbb.polarion.extension.generic.settings.GenericNamedSettings.(GenericNamedSettings.java:56) ~[ch.sbb.polarion.extension.generic.app-7.0.0.jar:?]
at ch.sbb.polarion.extension.generic.settings.GenericNamedSettings.(GenericNamedSettings.java:51) ~[ch.sbb.polarion.extension.generic.app-7.0.0.jar:?]

Expected Behavior

To fix this we have to add slf4j.api to the MANIFEST.MF files. At least diff-tool & excel-importer have this issue, but it worth to check all other extensions.

Steps To Reproduce

Check Polarion log

Environment - OS

Any

Polarion version

2404

Extension Version

1.7.1

Anything else

No response