ci: remove unnecessary cache

This runs once every months at most. The cache isn't buying us anything
and might cause some more jitter.

.github/workflows/release.yml

@@ -62,15 +62,6 @@ jobs:
       - name: Setup | Checkout
         uses: actions/checkout@v3
 
-      # Cache files between builds
-      - name: Setup | Cache Cargo
-        uses: actions/cache@v3
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-
       - name: Setup | Rust
         uses: actions-rs/toolchain@v1
         with: