Update Swatinem/rust-cache digest to 9d47c6a

Author: renovate[bot]

src/tools/rust-analyzer/.github/workflows/ci.yaml

@@ -75,7 +75,7 @@ jobs:
         run: echo "::add-matcher::.github/rust.json"
 
       - name: Cache Dependencies
-        uses: Swatinem/rust-cache@9bdad043e88c75890e36ad3bbc8d27f0090dd609
+        uses: Swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6
         with:
           key: ${{ env.RUST_CHANNEL }}
 
@@ -144,7 +144,7 @@ jobs:
           rustup target add ${{ env.targets }} ${{ env.targets_ide }}
 
       - name: Cache Dependencies
-        uses: Swatinem/rust-cache@9bdad043e88c75890e36ad3bbc8d27f0090dd609
+        uses: Swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6
 
       - name: Check
         run: |