Make sure we set CIBW_ENVIRONMENT using bash or Windows will not see it

Author: evertlammerts

.github/workflows/packaging.yml

@@ -68,7 +68,7 @@ jobs:
       testsuite: all
       duckdb-python-sha: ${{ inputs.duckdb-python-sha != '' && inputs.duckdb-python-sha || github.sha }}
       duckdb-sha: ${{ inputs.duckdb-sha }}
-      set-version: ${{ inputs.stable-version }}
+      set-version: ${{ inputs.set-version }}
 
   build_wheels:
     name: Build and test releases
@@ -78,4 +78,4 @@ jobs:
       testsuite: all
       duckdb-python-sha: ${{ inputs.duckdb-python-sha != '' && inputs.duckdb-python-sha || github.sha }}
       duckdb-sha: ${{ inputs.duckdb-sha }}
-      set-version: ${{ inputs.stable-version }}
+      set-version: ${{ inputs.set-version }}

.github/workflows/packaging_wheels.yml

@@ -73,6 +73,7 @@ jobs:
 
       # Make sure that OVERRIDE_GIT_DESCRIBE is propagated to cibuildwhel's env, also when it's running linux builds
       - name: Set OVERRIDE_GIT_DESCRIBE
+        shell: bash
         if: ${{ inputs.set-version != '' }}
         run: echo "CIBW_ENVIRONMENT=OVERRIDE_GIT_DESCRIBE=${{ inputs.set-version }}" >> $GITHUB_ENV