add workflow for coverage

.github/workflows/github-workflow.yaml

@@ -1,6 +1,8 @@
+# yamllint disable rule:line-length
 ---
 name: Coverage
 
+# yamllint disable-line rule:truthy
 on:
  push:
  branches:
@@ -24,6 +26,13 @@ jobs:
  run: |
  apt-get update && apt-get install -y git curl
 
+ - name: Install specific version of bats
+ run: |
+ curl -L https://github.com/bats-core/bats-core/archive/v1.4.1.tar.gz | tar -xz
+ cd bats-core-1.4.1
+ ./install.sh /usr/local
+ rm -rf bats-core-1.4.1
+
  - name: Checkout code with submodules
  uses: actions/checkout@v3
  with: