[rush] add cache entry to Bridge Cache output

[benkeen]

Summary

We've been using the Bridge Cache plugin for a few weeks and the one thing missing is being able to track down the specific cache entry for a cached action. This a request to add that info to the terminal logs.

I can put in a PR.

Standard questions

Question	Answer
@microsoft/rush globally installed version?	5.158.0
rushVersion from rush.json?	5.158.0
useWorkspaces from rush.json?	-
Operating system?	Linux
Would you consider contributing a PR?	Yes
Node.js version (node -v)?	18