Bump version to 0.10.7 and log PrivateBin URLs

[phracek]

Summary

• Bump image tags from 0.10.6 to 0.10.7 in Dockerfiles, Makefile, and GitHub Actions workflow
• Extract PrivateBin URL into a variable and print it in nightly test report for easier debugging
• Use the extracted variable in the HTML link instead of calling get_pastebin_url inline

Test plan

• Verify GitHub Actions workflow builds images with the 0.10.7 tag
• Run nightly test report and confirm PrivateBin URLs are printed to stdout
• Confirm email report links still point to correct PrivateBin URLs

🤖 Generated with Claude Code

[codecov]

Codecov Report

❌ Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 62.17%. Comparing base (9602fe3) to head (126d701).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...ly-tests/daily_tests/daily_nightly_tests_report.py	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #238      +/-   ##
==========================================
- Coverage   62.36%   62.17%   -0.19%     
==========================================
  Files          13       13              
  Lines        1347     1351       +4     
==========================================
  Hits          840      840              
- Misses        507      511       +4     

Flag	Coverage Δ
daily-tests-unit	43.94% <0.00%> (-0.21%)	⬇️
eol-checker-unit	97.34% <ø> (ø)
ocp-stream-generator-unit	84.47% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...ly-tests/daily_tests/daily_nightly_tests_report.py	53.54% <0.00%> (-0.78%)	⬇️

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