Auto merge of rust-lang#3519 - hamirmahal:fix/usage-of-deprecated-version-of-nodejs, r=RalfJung

bump actions/cache to v4

fixes rust-lang#3518.

Author: bors

src/tools/miri/.github/workflows/ci.yml

@@ -45,7 +45,7 @@ jobs:
       # over time).
       - name: Add cache for cargo
         id: cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             # Taken from <https://doc.rust-lang.org/nightly/cargo/guide/cargo-home.html#caching-the-cargo-home-in-ci>.
@@ -95,7 +95,7 @@ jobs:
       # over time).
       - name: Add cache for cargo
         id: cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             # Taken from <https://doc.rust-lang.org/nightly/cargo/guide/cargo-home.html#caching-the-cargo-home-in-ci>.