build: specify semantic release version that is compatible with node …

…18 (openedx#639)

semantic-release [version 23](https://github.com/semantic-release/semantic-release/releases/tag/v23.0.0) includes the following breaking change:
* support for node v18 has been dropped and the minimum for v20 is now v20.8.1

This pins the release workflow to version 22 until we move away from node 18.

.github/workflows/release.yml

@@ -29,7 +29,7 @@ jobs:
         run: npm run build
 
       - name: Release to npm/Github
-        run: npx semantic-release
+        run: npx semantic-release@22
         env:
           GITHUB_TOKEN: ${{ secrets.SEMANTIC_RELEASE_GITHUB_TOKEN }}
           NPM_TOKEN: ${{ secrets.SEMANTIC_RELEASE_NPM_TOKEN }}