Resolve #31407, by adding quotes in the value of a property, to avoid confusion with trailing whitespaces Also, add .tool-versions from asdf version manager to .gitgnore

Before:

Property: spring.servlet.multipart.file-size-threshold
Value: 2KB 
Origin: class path resource [application.properties]:24:46
Reason: failed to convert java.lang.String to org.springframework.util.unit.DataSize

After:

Property: spring.servlet.multipart.file-size-threshold
Value: "2KB "
Origin: class path resource [application.properties]:24:46
Reason: failed to convert java.lang.String to org.springframework.util.unit.DataSize

Comment From: pivotal-cla

@castanhocorreia Please sign the Contributor License Agreement!

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Comment From: pivotal-cla

@castanhocorreia Thank you for signing the Contributor License Agreement!

Comment From: wilkinsona

Thanks for the PR, @castanhocorreia, but as indicated by the assignment of the issue, @TheoCaldas is already working on this and we don't want their time to be wasted.

Comment From: jovitcorreia

Oh, no problem! Sorry for that.