fix: install setuptools-scm in CI (backport #4782) (#4786)

# What does this PR do?

without setuptools-scm SETUPTOOLS_SCM_PRETEND_VERSION is ignored, 0.0.0
is used as a version to test.pypi and for all other pkgs.


## Test Plan

The build job should show a 0.4.4 version in the `Build Local Package`
step
<hr>This is an automatic backport of pull request #4782 done by
[Mergify](https://mergify.com).

Signed-off-by: Charlie Doern <cdoern@redhat.com>
Co-authored-by: Charlie Doern <cdoern@redhat.com>

Author: mergify[bot]

.github/workflows/pypi.yml

@@ -190,7 +190,7 @@ jobs:
 
       - name: Install build dependencies
         if: steps.should-build.outputs.skip != 'true' && matrix.registry == 'pypi'
-        run: uv pip install --system setuptools wheel build
+        run: uv pip install --system setuptools setuptools-scm wheel build
 
       # === NODE SETUP (for npm packages) ===
       - name: Set up Node.js