Fix duplicate workflow step ids (#9934)

Follow-up to 7d60c27.

Author: jacobtylerwalls

.github/workflows/primer_run_main.yaml

@@ -63,7 +63,6 @@ jobs:
       # Save cached Python environment (explicit because cancel-in-progress: true)
       - name: Save Python virtual environment to cache
         if: steps.cache-venv.outputs.cache-hit != 'true'
-        id: cache-venv
         uses: actions/cache/save@v4.0.2
         with:
           path: venv
@@ -96,7 +95,6 @@ jobs:
           python tests/primer/__main__.py prepare --clone
       - name: Save projects cache
         if: steps.cache-projects.outputs.cache-hit != 'true'
-        id: cache-projects
         uses: actions/cache/save@v4.0.2
         with:
           path: tests/.pylint_primer_tests/

.github/workflows/primer_run_pr.yaml

@@ -75,7 +75,6 @@ jobs:
       # Save cached Python environment (explicit because cancel-in-progress: true)
       - name: Save Python virtual environment
         if: steps.cache-venv.outputs.cache-hit != 'true'
-        id: cache-venv
         uses: actions/cache/save@v4.0.2
         with:
           path: venv