Update Swatinem/rust-cache digest to 98c8021

Author: renovate[bot]

.github/actions/setup-ci/action.yaml

@@ -13,7 +13,7 @@ runs:
       shell: bash
       run: rustup show
 
-    - uses: Swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2
+    - uses: Swatinem/rust-cache@98c8021b550208e191a6a3145459bfc9fb29c4c0 # v2
       with:
         key: "${{ inputs.rust-cache-key }}"
         shared-key: "${{ inputs.rust-cache-shared-key }}"