Ignore files that cause an exception while determining the prefix

[uhafner]

Processing file names with colons will produce a IAE omn Windows: those files can be ignored during fingerprinting.

Also:   org.jenkinsci.plugins.workflow.actions.ErrorAction$ErrorId: 23d30129-9137-4261-a261-7f362ba83618 java.lang.IllegalArgumentException: NTFS ADS separator (':') in file name is forbidden.
	at org.apache.commons.io.FilenameUtils.indexOfExtension(FilenameUtils.java:955)
	at org.apache.commons.io.FilenameUtils.getExtension(FilenameUtils.java:614)
	at edu.hm.hafner.analysis.FingerprintGenerator.hasAllowedExtension(FingerprintGenerator.java:56)
	at edu.hm.hafner.analysis.FingerprintGenerator.run(FingerprintGenerator.java:43)
	at io.jenkins.plugins.analysis.core.steps.IssuesScanner$ReportPostProcessor.createFingerprints(IssuesScanner.java:363)
	at io.jenkins.plugins.analysis.core.steps.IssuesScanner$ReportPostProcessor.invoke(IssuesScanner.java:290)
	at io.jenkins.plugins.analysis.core.steps.IssuesScanner$ReportPostProcessor.invoke(IssuesScanner.java:247)
	at hudson.FilePath.act(FilePath.java:1236)
	at hudson.FilePath.act(FilePath.java:1219)
	at io.jenkins.plugins.analysis.core.steps.IssuesScanner.postProcessReport(IssuesScanner.java:139)
	at io.jenkins.plugins.analysis.core.steps.IssuesScanner.scan(IssuesScanner.java:115)
	at io.jenkins.plugins.analysis.core.steps.IssuesRecorder.scanWithTool(IssuesRecorder.java:687)
	at io.jenkins.plugins.analysis.core.steps.IssuesRecorder.record(IssuesRecorder.java:649)
	at io.jenkins.plugins.analysis.core.steps.IssuesRecorder.perform(IssuesRecorder.java:617)
	at io.jenkins.plugins.analysis.core.steps.RecordIssuesStep$Execution.run(RecordIssuesStep.java:611)
	at io.jenkins.plugins.analysis.core.steps.RecordIssuesStep$Execution.run(RecordIssuesStep.java:568)
	at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution.lambda$start$0(SynchronousNonBlockingStepExecution.java:47)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)

[github-actions]

☀️ Quality Monitor

• 🚦 Tests: 1283 tests passed, 2 skipped
• 👣 Code Coverage: 90% coverage achieved
• ⚠️ Style: No warnings found
• 🐛 Bugs: 6 warnings found (0 error, 0 high, 0 normal, 6 low)

More details are available in the GitHub Checks Result.

[github-actions]

☀️ Quality Monitor

• 🚦 Tests: 1283 tests passed, 2 skipped
• 👣 Code Coverage: 90% coverage achieved
• ⚠️ Style: No warnings found
• 🐛 Bugs: 6 warnings found (0 error, 0 high, 0 normal, 6 low)

More details are available in the GitHub Checks Result.

[codecov]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (3460211) 89.68% compared to head (0c2b59a) 89.66%.
Report is 5 commits behind head on main.

Files	Patch %	Lines
...a/edu/hm/hafner/analysis/FingerprintGenerator.java	33.33%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1023      +/-   ##
============================================
- Coverage     89.68%   89.66%   -0.03%     
  Complexity     2284     2284              
============================================
  Files           354      354              
  Lines          6692     6694       +2     
  Branches        698      698              
============================================
  Hits           6002     6002              
- Misses          488      490       +2     
  Partials        202      202              

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