ci: update workflow versions (checkout and cache)

Author: bkueng

.github/workflows/clang-tidy.yml

@@ -12,7 +12,7 @@ jobs:
   clang_tidy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
           submodules: true

.github/workflows/default.yml

@@ -12,7 +12,7 @@ jobs:
   build_and_lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
           submodules: true
@@ -23,7 +23,7 @@ jobs:
       - name: Install deps
         run: sudo apt install cppcheck ccache
 
-      - uses: actions/cache@v3.3.1
+      - uses: actions/cache@v4
         id: ccache-persistence
         with:
           path: ~/.ccache