Bump actions/cache from 5.0.5 to 6.0.0 (#571)

Author: dependabot[bot]

.github/workflows/build.yml

@@ -33,7 +33,7 @@ jobs:
         go-version: ${{ steps.go_version.outputs.version }}
 
     - name: Cache Godel assets
-      uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+      uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
       with:
         path: ~/.godel
         key: ${{ runner.os }}-godel-${{ hashFiles('godelw', 'godel/config/godel.yml') }}