fix memory report and add path filter

[michael-membrowse]

Description

Following a conversation with @dgarske:

Fix the MemBrowse report flow to support push to master and PR changes.

The following optimizations were made:

1. The workflow is optimized to skip build and report generation in case of non operational changes.
2. The repo checkout is optimized to checkout just the last 2 commits instead of the whole history.

Also, added support for a new MemBrowse feature that includes library attribution.
Now, you can see how libraries contribute to the footprint.

In case this will still be slow (which it shouldn't: the workflow takes around 90 seconds):
I would suggest the following steps:

1. Remove the trigger from the PRs and just keep the push to master trigger.
2. Reduce the targets amount that are being tracked.

Testing

Tested on forked repo

Checklist

• added tests
• updated/added doxygen
• updated appropriate READMEs
• Updated manual and documentation

[wolfSSL-Bot]

Can one of the admins verify this patch?

[chatgpt-codex-connector]

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[dgarske]

Okay to test. Contributor agreement on file.

[dgarske]

Jenkins retest this please.

[michael-membrowse]

Had to fix the concurrency condition. Please rerun the tests.