ci: Remove non-functional cache steps

.forgejo/workflows/release-image.yml

@@ -122,30 +122,6 @@ jobs:
           echo "COMMIT_SHORT_SHA=$calculatedSha" >> $GITHUB_ENV
       - name: Get Git commit timestamps
         run: echo "TIMESTAMP=$(git log -1 --pretty=%ct)" >> $GITHUB_ENV
-      - name: Rust cache
-        uses: actions/cache@v4
-        with:
-          key: v0-rust-linux/${{ runner.os }}-${{ matrix.slug }}
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git/db
-            ./target
-        id: rust-cache
-      - name: Cache timelord state
-        uses: actions/cache@v4
-        with:
-          path: "./timelord"
-          key: ${{ runner.os }}-${{ matrix.slug }}
-      - name: Inject cache into Docker
-        uses: https://github.com/reproducible-containers/buildkit-cache-dance@v3.1.2
-        with:
-          cache-map: |
-            {
-              "/home/runner/.cargo/registry": "/usr/local/cargo/registry",
-              "/home/runner/.cargo/git/db": "/usr/local/cargo/git/db",
-              "./target": "/app/target",
-              "./timelord": "/timelord"
-            }
       - name: Build and push Docker image by digest
         id: build
         uses: docker/build-push-action@v6