Avoid appearing not to account for "v" in version matching

This way, real mismatches won't appear wrongly to be due to the "v"
that is now accounted for.

.github/workflows/release.yml

@@ -41,7 +41,7 @@ jobs:
         run: |
           manifest_version="$(yq -r .package.version Cargo.toml)"
           echo "version to give the release: $VERSION"
-          echo "version Cargo.toml declares: $manifest_version"
+          echo "version Cargo.toml suggests: v$manifest_version"
 
           case "$VERSION" in
           "v$manifest_version")