chore(deps): update actions/cache action to v5 (#1324)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/cd.yml

@@ -31,14 +31,14 @@ jobs:
       - uses: rlespinasse/github-slug-action@v3.x
       - uses: actions/checkout@v6
       - name: Cache deps
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: deps
           key: ${{ runner.os }}-mix-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
           restore-keys: |
             ${{ runner.os }}-mix-
       - name: Cache _build
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             _build

.github/workflows/ci.yml

@@ -39,7 +39,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Cache deps
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: deps
           key: ${{ runner.os }}-mix-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}