chore: enforce bash for get-cli-version step (#1450)

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CDX-764

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## Proposed changes

Windows seems to not manage to run the script anymore (or it didn't work
for a while and we missed it).
This fixes that by ensuring/enforcing the execution of the step on
`bash`.

.github/workflows/release.yml

@@ -323,6 +323,7 @@ jobs:
               printf "CLI_VERSION="
               cat packages/cli/core/package.json | jq -r '.version'
           }  >> "$GITHUB_ENV"
+        shell: bash
       - name: Build
         run: npm run build
       - name: Setup Temporary Keychain