Update actions/cache action to v4

Author: renovate[bot]

.github/workflows/build.yml

@@ -49,7 +49,7 @@ jobs:
       - uses: MarkusJx/[email protected]
 
       - name: Cache LLVM
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: llvm-clang.tar.gz
           key: ${{ runner.os }}-llvm-clang
@@ -75,7 +75,7 @@ jobs:
 
       - name: Cache LLVM
         id: cache-llvm
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: llvm-clang.tar.gz
           key: ${{ runner.os }}-llvm-clang
@@ -108,7 +108,7 @@ jobs:
 
       - name: Cache LLVM
         id: cache-llvm
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: llvm-clang.tar.gz
           key: ${{ runner.os }}-llvm-clang
@@ -152,7 +152,7 @@ jobs:
 
       - name: Cache LLVM
         id: cache-llvm
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: llvm-clang.tar.gz
           key: ${{ runner.os }}-llvm-clang
@@ -186,7 +186,7 @@ jobs:
 
       - name: Cache LLVM
         id: cache-llvm
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: llvm-clang.tar.gz
           key: ${{ runner.os }}-llvm-clang

.github/workflows/csmith.yml

@@ -13,7 +13,7 @@ jobs:
 
       - name: Cache LLVM
         id: cache-llvm
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: llvm-clang.tar.gz
           key: ${{ runner.os }}-llvm-clang

.github/workflows/statistics.yml

@@ -13,7 +13,7 @@ jobs:
 
       - name: Cache LLVM
         id: cache-llvm
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: llvm-clang.tar.gz
           key: ${{ runner.os }}-llvm-clang