build(deps): bump actions/cache from 3 to 4 (#47)

Author: dependabot[bot]

.github/workflows/pr.yml

@@ -38,7 +38,7 @@ jobs:
         with:
           go-version: ${{ matrix.golang }}
       - name: Cache Dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ matrix.golang }}-${{ hashFiles('**/go.sum') }}