.github: bump actions/cache from 4.0.1 to 4.0.2 (#574)

See the release page [1] and new commits [2].

[1] https://github.com/actions/cache/releases/tag/v4.0.2
[2] actions/cache@v4.0.1...v4.0.2

.github/workflows/uuids.yml

@@ -17,7 +17,7 @@ jobs:
 
     - name: Cache binary
       id: cache-uuids
-      uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319
+      uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9
       with:
         path: _test/check_uuids
         key: check_uuids-${{ hashFiles('_test/check_uuids.nim') }}-${{ runner.os }}-nim${{ env.NIM_VERSION }}-gcc${{ env.GCC_VERSION }}-openssl${{ env.OPENSSL_VERSION }}