ci: run llvm-cov action on docker image and improve formatting

.github/workflows/check_pr_description.yml

@@ -4,12 +4,15 @@ name: PR description
 on:  # yamllint disable-line rule:truthy
   pull_request:
     types: [opened, edited, synchronize]
+
 jobs:
   check-description:
     runs-on: ubuntu-latest
+
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
+
       - name: Check PR description for issue link
         id: contains_issue
         run: |
@@ -25,6 +28,7 @@ jobs:
           else
             echo "PR description contains a valid issue link."
           fi
+
       - name: Fail PR if no issue link found
         if: failure()
         run: |-

.github/workflows/clang_format.yml

@@ -4,6 +4,7 @@ name: Clang-Format
 on:  # yamllint disable-line rule:truthy
   pull_request:
     branches: ['*']
+
 jobs:
   clang-format:
     runs-on: ubuntu-latest

.github/workflows/gitlint.yml

@@ -3,6 +3,7 @@ name: GitLint
 on:  # yamllint disable-line rule:truthy
   pull_request:
     branches: ['*']
+
 jobs:
   gitlint:
     runs-on: ubuntu-latest

.github/workflows/llvm_cov.yml

@@ -7,14 +7,12 @@ on:  # yamllint disable-line rule:truthy
 jobs:
   coverage:
     runs-on: ubuntu-latest
-    steps:
-      - name: Checkout Code
-        uses: actions/checkout@v3
+    container:
+      image: dtors/base-cpp:latest
 
-      - name: Install LLVM
-        run: |
-          sudo apt update
-          sudo apt install -y llvm
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
 
       - name: Run Coverage Script
-        run: bazel run //tools/coverage:llvm_cov -- -t //examples/cpp:test -s
+        run: bazelisk run //tools/coverage:llvm_cov -- -t //examples/cpp:test -s

.github/workflows/yamllint.yml

@@ -8,9 +8,12 @@ on:  # yamllint disable-line rule:truthy
 jobs:
   yamllint:
     runs-on: ubuntu-latest
+    container:
+      image: dtors/base-cpp:latest
+
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Find affected files
         run: |