feat: Add missing pvk to script workflows

[gfournieriExec]

No description provided.

[Copilot]

Pull Request Overview

This PR adds the missing ADMIN_PRIVATE_KEY environment variable to GitHub Actions workflow files to ensure script execution has access to required private keys.

• Added ADMIN_PRIVATE_KEY environment variable to the "Set callback gas" workflow
• Added ADMIN_PRIVATE_KEY environment variable to both deployment steps in the deploy workflow

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
.github/workflows/set-callback-gas.yml	Added ADMIN_PRIVATE_KEY environment variable to the callback gas setting step
.github/workflows/deploy.yml	Added ADMIN_PRIVATE_KEY environment variable to both contract deployment and config update steps

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.82%. Comparing base (f7c634b) to head (1146f62).
⚠️ Report is 24 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #282      +/-   ##
==========================================
+ Coverage   83.66%   84.82%   +1.16%     
==========================================
  Files          38       37       -1     
  Lines        1218     1239      +21     
  Branches      227      235       +8     
==========================================
+ Hits         1019     1051      +32     
+ Misses        199      188      -11     

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[zguesmi]

Suggested change

	DEPLOYER_PRIVATE_KEY: ${{ secrets.DEPLOYER_PRIVATE_KEY }}
	ADMIN_PRIVATE_KEY: ${{ secrets.ADMIN_PRIVATE_KEY }}
	// Note: it is required to define both private key env variables when calling Hardhat.
	DEPLOYER_PRIVATE_KEY: ${{ secrets.DEPLOYER_PRIVATE_KEY }}
	ADMIN_PRIVATE_KEY: ${{ secrets.ADMIN_PRIVATE_KEY }}