Default the max template cache entries to 1000 instead of infinite

[leeturner]

This PR defaults the max template cache entries to 1000 instead of infinite.

References

• Possible memory leak ? #2731

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[tomakehurst]

Are we also going to set the default for programmatic startup i.e. in WireMockConfig?

[leeturner]

Are we also going to set the default for programmatic startup i.e. in WireMockConfig?

Ah, yes. Missed that 👍