feat(ci): add restore-keys for ci speedup (#3516)

ci/build/npm-postinstall.sh

@@ -75,7 +75,7 @@ main() {
 
 # This is a copy of symlink_asar in ../lib.sh. Look there for details.
 symlink_asar() {
-  rm -f node_modules.asar
+  rm -rf node_modules.asar
   if [ "${WINDIR-}" ]; then
     mklink /J node_modules.asar node_modules
   else

ci/lib.sh

@@ -113,7 +113,7 @@ RELEASE_PATH="${RELEASE_PATH-release}"
 # Code itself but also extensions will look specifically in this directory for
 # files (like the ripgrep binary or the oniguruma wasm).
 symlink_asar() {
-  rm -f node_modules.asar
+  rm -rf node_modules.asar
   if [ "${WINDIR-}" ]; then
     # mklink takes the link name first.
     mklink /J node_modules.asar node_modules