[collector]bugfix: close connection when common cache is timeout

[shinestare]

What's changed?

we use hertzbeat to monitor oracle database, and found that the number of connections has been increasing. After restarting the hertzbeat, the number of connections decreased, just like the issues #2767. Through analyzing the logs, we found that the connection was not closed when getting the connection from the common cache. After modifying the code, it was found that it had returned to normal

Checklist

• [√] I have read the Contributing Guide
• [√] I have written the necessary doc or comment.
• [√] I have added the necessary unit tests and all cases have passed.

Add or update API

• I have added the necessary e2e tests and all cases have passed.

[shinestare]

The log file contains the content of [connection common cache] is timeout, remove it, key CacheIdentifier {ip='jdbc:oracle:thin:@172.29.30.1:1521/apts', port='null', username+password=>hash='-789198372', customArg='null'}, but there is no content of connection common cache discard key which defined in the cacheMap listener or clean the timeout cache defined in cleanTimeoutOrUnHealthCache function. I don't know the reason, but the code works. This is the log file that may be helpful.
Uploading e6d7e84ddab411-2024-10-21.0.log…

[tomsun28]

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