Update pulumi/pulumi Docker tag to v3.256.0

[pulumi-renovate]

This PR contains the following updates:

Package	Type	Update	Change
pulumi/pulumi	final	minor	3.255.0-nonroot → 3.256.0-nonroot

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Release Notes

pulumi/pulumi-docker-containers (pulumi/pulumi)

v3.256.0

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 56.56%. Comparing base (a35006f) to head (7090242).
⚠️ Report is 106 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1290      +/-   ##
==========================================
+ Coverage   55.95%   56.56%   +0.61%     
==========================================
  Files          34       35       +1     
  Lines        4130     4506     +376     
==========================================
+ Hits         2311     2549     +238     
- Misses       1594     1720     +126     
- Partials      225      237      +12     

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