chore: bump codecov/codecov-action from 5.5.3 to 6.0.0

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 5.5.3 to 6.0.0.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](1af58845a9...57e3a136b7)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build.yaml

@@ -143,7 +143,7 @@ jobs:
             test/package-lock.json
       - run: SKIP_SUBMODULE_DEPS=1 npm ci
       - run: npm run test:unit
-      - uses: codecov/codecov-action@1af58845a975a7985b0beb0cbe6fbbb71a41dbad # v5
+      - uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2 # v5
         if: success()
         with:
           token: ${{ secrets.CODECOV_TOKEN }}

ci/build/build-release.sh

@@ -85,11 +85,15 @@ EOF
   ) > "$RELEASE_PATH/package.json"
   mv npm-shrinkwrap.json "$RELEASE_PATH"
 
-  rsync ci/build/npm-postinstall.sh "$RELEASE_PATH/postinstall.sh"
-
   if [ "$KEEP_MODULES" = 1 ]; then
     rsync node_modules/ "$RELEASE_PATH/node_modules"
+    # Remove dev dependencies.
+    pushd "$RELEASE_PATH"
+    npm prune --production
+    popd
   fi
+
+  rsync ci/build/npm-postinstall.sh "$RELEASE_PATH/postinstall.sh"
 }
 
 bundle_vscode() {
@@ -108,7 +112,9 @@ bundle_vscode() {
   # need it for the npm package.
   rsync_opts+=(--exclude /node)
 
-  # Exclude Node modules.
+  # Exclude Node modules.  Note that these will already only include production
+  # dependencies, so if we do keep them there is no need to do any
+  # post-processing to remove dev dependencies.
   if [[ $KEEP_MODULES = 0 ]]; then
     rsync_opts+=(--exclude node_modules)
   fi