Make `summary` find max of all values including `Inf` and print `>= stat_max` if max is `Inf`

[jamesmbaazam]

This PR closes #239.

• Please check if the PR fulfills these requirements

• [x] I have read the CONTRIBUTING guidelines

• [ ] A new item has been added to NEWS.md

• [x] Tests for the changes have been added (for bug fixes / features)

• [x] Docs have been added / updated (for bug fixes / features)

• [x] Checks have been run locally and pass

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

Enhancement.

• What is the current behavior? (You can also link to an open issue here)

The summary method finds the max of only the finite values.

• What is the new behavior (if this is a feature change)?

The summary method now returns the max of all the values but prints the max as >= stat_max if the max was Inf.

• Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)

NA

• Other information:

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 98.99%. Comparing base (0ef7e2b) to head (ff0992f).

:exclamation: Current head ff0992f differs from pull request most recent head 22ad5dc. Consider uploading reports for the commit 22ad5dc to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #240 +/- ## ========================================== + Coverage 98.80% 98.99% +0.18% ========================================== Files 8 8 Lines 587 595 +8 ========================================== + Hits 580 589 +9 + Misses 7 6 -1 ```

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