Fix-template-substitution

[JC-wk]

Resolves #4824

What is being addressed

Fix to ensure pipeline substitution runs when there is a single main step.

How is this addressed

• Fix helpers.py to ensure pipeline substitution runs when there is a single main step
• Updated CHANGELOG.md if needed
• Incremented api version

[github-actions]

Unit Test Results

669 tests   669 ✅  7s ⏱️
  1 suites    0 💤
  1 files      0 ❌

Results for commit 5177ae6.

♻️ This comment has been updated with latest results.

[marrobi]

thanks, LGTM, similar to what I did here: main...marrobi:AzureTRE:marrobi/aifoundry-hub-project

[marrobi]

/test-extended 2285cec

[github-actions]

🤖 pr-bot 🤖

🏃 Running extended tests: https://github.com/microsoft/AzureTRE/actions/runs/21407030424 (with refid a4478dc4)

(in response to this comment from @marrobi)

[marrobi]

/test-destroy-env 2285cec

[github-actions]

Destroying PR test environment (RG: rg-trea4478dc4)... (run: https://github.com/microsoft/AzureTRE/actions/runs/21411118455)

[github-actions]

PR test environment destroy complete (RG: rg-trea4478dc4)

[marrobi]

/test-extended 2285cec

[github-actions]

🤖 pr-bot 🤖

🏃 Running extended tests: https://github.com/microsoft/AzureTRE/actions/runs/21430821372 (with refid a4478dc4)

(in response to this comment from @marrobi)

[jonnyry]

LGTM

[marrobi]

/test-extended 73afd58

[github-actions]

🤖 pr-bot 🤖

🏃 Running extended tests: https://github.com/microsoft/AzureTRE/actions/runs/21601460816 (with refid a4478dc4)

(in response to this comment from @marrobi)

[marrobi]

/test-extended 307b624

[marrobi]

/test-extended 307b624

[github-actions]

🤖 pr-bot 🤖

🏃 Running extended tests: https://github.com/microsoft/AzureTRE/actions/runs/21626497660 (with refid a4478dc4)

(in response to this comment from @marrobi)