ref(aws-lambda): Clean up aws-lambda

[pabloDeputter]

Description

• use of f-strings instead ”...”.format().
• move constants into consts.py.
• add new attributes to SPANDATA (will be used in the next PR).

[github-actions]

Coverage Results 📊

✅ 56199 passed | ⏭️ 2872 skipped | Total: 59071 | Pass Rate: 95.14% | Execution Time: 159m 40s

📊 Comparison with Base Branch

Metric	Change
Total Tests	📉 -81871
Passed Tests	📉 -77467
Failed Tests	—
Skipped Tests	📉 -4404

All tests are passing successfully.

✅ Patch coverage is 100.00% (23 of 23 changed executable lines covered; target 80%).
Project statement coverage is 90.05% (down 0.20 percentage points from base (808e219) to head (26ca6de)).

Changed files with executable lines (2)

File	Patch coverage	Changed executable lines
sentry_sdk/consts.py	100.00%	20/20 covered
sentry_sdk/integrations/aws_lambda/consts.py	100.00%	3/3 covered

Coverage diff

@@            Coverage Diff             @@
##        master     #7939       +/-##
==========================================
- Coverage    90.25%    90.05%    -0.20%
==========================================
  Files          202       197        -5
  Tracked lines     26660     20973     -5687
  Branches      9926      7206     -2720
==========================================
- Hits         24062     18887     -5175
+ Misses        2598      2086      -512
+ Partials      1510      1234      -276

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[sentrivana]

I see we're using ORIGIN in more places in this PR -- I think in that case we can keep it the consts file (and the file itself).