removed unmaintained action

Signed-off-by: Hergy Fongue <hergy.fongue@ext.markant.com>

Author: Hergy Fongue

.github/workflows/linter.yaml

@@ -59,7 +59,7 @@ jobs:
           toolchain: nightly
           components: rustfmt, clippy
       - name: Rust Cache
-        uses: actions/cache@v3
+        uses: Swatinem/rust-cache@v2
         continue-on-error: false
         with:
         path: |