workflows: Bump shared-go to v4.9.7.

[njharter]

What's Changing

• Bump workflows using shared-go to v4.9.7.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 51.62%. Comparing base (76ebfc7) to head (c474aa2).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #325   +/-   ##
=======================================
  Coverage   51.62%   51.62%           
=======================================
  Files          55       55           
  Lines        2398     2398           
=======================================
  Hits         1238     1238           
  Misses       1132     1132           
  Partials       28       28           

Flag	Coverage Δ
unittests	51.62% <ø> (ø)

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