chore(actions): update actions/cache action to v4

Author: renovate[bot]

.github/workflows/prereleased.yml

@@ -66,7 +66,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - uses: actions/cache@v3
+    - uses: actions/cache@v4
       with:
         path: .build
         key: ${{ runner.os }}-spm-${{ hashFiles('**/Package.resolved') }}
@@ -152,7 +152,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - uses: actions/cache@v3
+    - uses: actions/cache@v4
       with:
         path: .build
         key: ${{ runner.os }}-spm-${{ hashFiles('**/Package.resolved') }}

.github/workflows/pull-request.yml

@@ -48,7 +48,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - uses: actions/cache@v3
+    - uses: actions/cache@v4
       with:
         path: .build
         key: ${{ runner.os }}-spm-${{ hashFiles('**/Package.resolved') }}