Separate workflow reusable-call runs from standalone runs

[soumeh01]

Changes

Fix concurrency collisions between scheduled and push-triggered workflows

Previously, workflows such as packchk, packgen, and projmgr etc used a concurrency group based only on ${{ github.workflow }}-${{ github.ref }}. This caused runs triggered by different events (e.g. nightly schedule vs. push to main) to share the same concurrency group and cancel each other when cancel-in-progress: true was set.

As a result, a scheduled nightly run could be unexpectedly cancelled by a push-triggered run. For e.g. https://github.com/Open-CMSIS-Pack/devtools/actions/runs/24540773684/attempts/1
This change updates the concurrency group to include ${{ github.event_name }}, ensuring that runs triggered by different event types are isolated:

${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}

Checklist

• 🤖 This change is covered by unit tests (if applicable).
• 🤹 Manual testing has been performed (if necessary).
• 🛡️ Security impacts have been considered (if relevant).
• 📖 Documentation updates are complete (if required).
• 🧠 Third-party dependencies and TPIP updated (if required).

[jkrech]

LGTM

[github-actions]

Test Results

  7 files   53 suites   5m 51s ⏱️
185 tests 168 ✅ 17 💤 0 ❌
692 runs  624 ✅ 68 💤 0 ❌

Results for commit 14e90c8.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 64.75%. Comparing base (c2e5f7d) to head (14e90c8).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2443   +/-   ##
=======================================
  Coverage   64.75%   64.75%           
=======================================
  Files         145      145           
  Lines       26168    26168           
  Branches    15799    15799           
=======================================
  Hits        16946    16946           
  Misses       7066     7066           
  Partials     2156     2156           

Flag	Coverage Δ
buildmgr-cov	79.87% <ø> (ø)
packchk-cov	69.75% <ø> (ø)
packgen-cov	82.02% <ø> (ø)
projmgr-cov	87.77% <ø> (ø)
svdconv-cov	40.28% <ø> (ø)

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