replace edition

.github/workflows/publish-templates.yml

@@ -40,13 +40,19 @@ jobs:
       - name: Replace the workspace references in the template
         run: |
           set -euo pipefail
+          # Use released creates, instead of git references.
           find . -type f -name 'Cargo.toml' -exec psvm -o -v ${{ env.polkadot-release-version }} -p {} \;
+          
+          # Set the Rust edition.
+          rust_edition=$(cat ../../Cargo.toml | grep "edition =")
+          find . -type f -name 'Cargo.toml' -exec sed -i -E "s/edition\.workspace = true\$/$rust_edition/g" {} \;
 
           # Get rid of "authors.workspace = true" and similar entries.
           find . -type f -name 'Cargo.toml' -exec sed -i -E "s/^.*\.workspace = true\$//g" {} \;
           find . -type f -name 'Cargo.toml' -exec sed -i -E "s/^workspace = true\$//g" {} \;
 
           # Replace workspace dependencies with actual versions.
+          # e.g. serde_json = { workspace = true, default-features = true }
           replace_workspace_deps () {
             # To preserve TAB identation.
             IFS=''