[ci] update github cache to v3
@@ -78,7 +78,7 @@ jobs:
# maintain a directory archives/ in the repo
# it will contain tarballs of various toolchains
- name: cache
- uses: actions/cache@v2.1.1
+ uses: actions/cache@v3
id: cache
with:
# A list of files, directories, and wildcard patterns to cache and restore
