build(deps): Bump actions/cache from 3 to 4

Bumps [actions/cache](https://github.com/actions/cache) from 3 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3...v4)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/build.yml

@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@v4
       - name: Cache binaries
         id: cache-binaries
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ./cmd
           key: price-feeder-${{ matrix.targetos }}-${{ matrix.arch }}

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
           go-version: 1.19
       - name: Display Go Version
         run: go version
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         id: cache-go-tparse
         with:
           path: ~/go/bin