ci: force the production subgraph deployment to be on a release tag

[levalleux-ludo]

Description

{{what was done}}

How to test

{{how can it be tested}}

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.26%. Comparing base (2c250da) to head (1c3136e).
Report is 10 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #854   +/-   ##
=======================================
  Coverage   90.26%   90.26%           
=======================================
  Files         163      163           
  Lines        6061     6061           
  Branches      927      927           
=======================================
  Hits         5471     5471           
  Misses        590      590           

Flag	Coverage Δ
common	92.11% <ø> (ø)
core-sdk	59.50% <ø> (ø)
e2e	87.19% <ø> (ø)
eth-connect-sdk	94.87% <ø> (ø)
ethers-sdk	69.62% <ø> (ø)
ipfs-storage	89.41% <ø> (ø)
metadata	94.70% <ø> (ø)
unittests	62.91% <ø> (ø)

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

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

---

🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests
• JS Bundle Analysis - Avoid shipping oversized bundles