test: cache cargo udeps binary only for udeps test (#846)

Signed-off-by: MrCroxx <mrcroxx@outlook.com>

Author: MrCroxx

.github/workflows/ci.yml

@@ -18,6 +18,7 @@ env:
   RUST_TOOLCHAIN_NIGHTLY: nightly-2024-08-30
   CARGO_TERM_COLOR: always
   CACHE_KEY_SUFFIX: 20250118v2
+  CARGO_UDEPS_KEY_SUFFIX: 20251020
 
 jobs:
   misc-check:
@@ -96,10 +97,7 @@ jobs:
         with:
           path: |
             ~/.cargo/bin/
-            ~/.cargo/registry/index/
-            ~/.cargo/registry/cache/
-            ~/.cargo/git/db/
-          key: ${{ runner.os }}-${{ runner.arch }}-cargo-${{ hashFiles('**/Cargo.toml') }}-${{ env.CACHE_KEY_SUFFIX }}-rust-udeps
+          key: ${{ runner.os }}-${{ runner.arch }}-cargo-${{ env.CARGO_UDEPS_KEY_SUFFIX }}-rust-udeps
       - name: Install NASM for aws-lc-rs on Windows
         if: runner.os == 'Windows'
         uses: ilammy/setup-nasm@v1