### What changes were proposed in this pull request?
Using a function like `.mkString` or `.getLines` directly on a `scala.io.Source` opened by `fromFile`, `fromURL`, `fromURI ` will leak the underlying file handle, this pr use the `Utils.tryWithResource` method wrap the `BufferedSource` to ensure these `BufferedSource` closed.
### Why are the changes needed?
Avoid file handle leak.
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
Pass the Jenkins or GitHub Action
Closes#31323 from LuciferYang/source-not-closed.
Authored-by: yangjie01 <yangjie01@baidu.com>
Signed-off-by: HyukjinKwon <gurwls223@apache.org>
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