ci: use global setuptools-scm override

This results in the incorrect version for sentry-fuzzing-config, but
using _FOR_FUZZMANAGER override doesn't work with hatch-vcs.

Author: jschwartzentruber

Dockerfile

@@ -11,7 +11,7 @@ RUN npm run production
 FROM python:3.11-alpine
 
 ARG SETUPTOOLS_SCM_PRETEND_VERSION_FOR_FUZZMANAGER
-ENV SETUPTOOLS_SCM_PRETEND_VERSION_FOR_FUZZMANAGER=$SETUPTOOLS_SCM_PRETEND_VERSION_FOR_FUZZMANAGER
+ENV SETUPTOOLS_SCM_PRETEND_VERSION=$SETUPTOOLS_SCM_PRETEND_VERSION_FOR_FUZZMANAGER
 
 # Install system dependencies
 RUN adduser -D worker && \