Move to checkout v2, don't run tests when changing github actions

.github/workflows/run-tests-pebble.yml

@@ -1,6 +1,8 @@
 name: Run all tests on pebble
 on:
   push:
+    paths-ignore:
+      - '.github/workflows/*'
     branches:
       - master
   pull_request:
@@ -10,7 +12,7 @@ jobs:
   test-alpine:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Build the docker-compose stack
         run: docker-compose up -d --build
       - name: Run test suite on Alpine
@@ -18,7 +20,7 @@ jobs:
   test-bash-4-0:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Build the docker-compose stack
         run: docker-compose up -d --build
       - name: Run test suite on Alpine using Bash 4.0
@@ -26,7 +28,7 @@ jobs:
   test-bash-4-2:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Build the docker-compose stack
         run: docker-compose up -d --build
       - name: Run test suite on Alpine using Bash 4.2
@@ -34,7 +36,7 @@ jobs:
   test-bash-5-0:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Build the docker-compose stack
         run: docker-compose up -d --build
       - name: Run test suite on Alpine using Bash 5

.github/workflows/run-tests-staging-duckdns.yml

@@ -1,6 +1,8 @@
 name: Run all tests using DuckDNS
 on:
   push:
+    paths-ignore:
+      - '.github/workflows/*'
     branches:
       - master
   pull_request:
@@ -10,7 +12,7 @@ jobs:
   test-centos7-duckdns:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Build the docker-compose stack
         run: docker-compose up -d --build
       - name: Run test suite on CentOS7 against Staging using DuckDNS
@@ -18,7 +20,7 @@ jobs:
   test-ubuntu-duckdns:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Build the docker-compose stack
         run: docker-compose up -d --build
       - name: Run test suite on Ubuntu against Staging using DuckDNS

.github/workflows/run-tests-staging-dynu.yml

@@ -1,6 +1,8 @@
 name: Run all tests using Dynu
 on:
   push:
+    paths-ignore:
+      - '.github/workflows/*'
     branches:
       - master
   pull_request:
@@ -10,7 +12,7 @@ jobs:
   test-centos7-dynu:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Build the docker-compose stack
         run: docker-compose up -d --build
       - name: Run test suite on CentOS7 against Staging using Dynu
@@ -18,7 +20,7 @@ jobs:
   test-ubuntu-dynu:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Build the docker-compose stack
         run: docker-compose up -d --build
       - name: Run test suite on Ubuntu against Staging using Dynu

.github/workflows/shellcheck.yml

@@ -2,6 +2,8 @@ name: shellcheck
 
 on:
   push:
+    paths-ignore:
+      - '.github/workflows/*'
     branches: [ master ]
   pull_request:
     branches: [ master ]
@@ -10,8 +12,8 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Lint check
-        uses: azohra/shell-linter@v0.3.0
+        uses: azohra/shell-linter@latest
         with:
           path: "getssl"