feat: include a hash of deno.lock files in the cache key automatically (#98)

.github/workflows/test.yml

@@ -92,7 +92,6 @@ jobs:
         uses: ./
         with:
           cache: true
-          cache-hash: ${{ hashFiles('**/deno.lock') }}
 
       - name: Download dependencies for cache
         run: deno install --global --no-config npm:cowsay@1.6.0
@@ -110,7 +109,6 @@ jobs:
         uses: ./
         with:
           cache: true
-          cache-hash: ${{ hashFiles('**/deno.lock') }}
 
       - name: Run with cached dependencies
         run: deno run --cached-only --no-config -RE npm:cowsay@1.6.0 "It works!"