chore(deps): bump actions/cache from 3 to 4 (#28)

Author: dependabot[bot]

.github/workflows/elixir.yml

@@ -44,7 +44,7 @@ jobs:
       # Step: Define how to cache deps. Restores existing cache if present.
       - name: Cache deps
         id: cache-deps
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             apps/**/deps
@@ -96,7 +96,7 @@ jobs:
       # Step: Define how to cache deps. Restores existing cache if present.
       - name: Cache deps
         id: cache-deps
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
           cache-name: cache-elixir-deps-1
         with:
@@ -111,7 +111,7 @@ jobs:
       # Step: Create dialyzer .plt files if they're not present
       - name: Cache dialyzer plt files
         id: cache-plt
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: "priv/plts"
           key: expert-plts-2-${{ env.DEFAULT_OTP }}-${{ env.DEFAULT_ELIXIR }}-${{ hashFiles('apps/**/mix.lock' ) }}-${{ github.run_id }}
@@ -177,7 +177,7 @@ jobs:
       # Step: Define how to cache deps. Restores existing cache if present.
       - name: Cache deps
         id: cache-deps
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             apps/**/deps

.github/workflows/release.yml

@@ -23,7 +23,7 @@ jobs:
 
       - name: Cache deps
         id: cache-deps
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
           cache-name: cache-elixir-deps
         with: