tests: Label all actions/checkout with their version

Author: petertseng

.github/workflows/tests.yml

@@ -19,7 +19,7 @@ jobs:
     steps:
       # Checks out a copy of your repository on the ubuntu-latest machine
       - name: Checkout code
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
       - name: Ensure tool names are snake cased
         run: ./bin/lint_tool_file_names.sh
@@ -49,13 +49,13 @@ jobs:
     steps:
       # Checks out default branch locally so that it is available to the scripts.
       - name: Checkout main
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         with:
           ref: main
 
       # Checks out a copy of your repository on the ubuntu-latest machine
       - name: Checkout code
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
       - name: Fetch configlet
         run: ./bin/fetch-configlet
@@ -69,11 +69,11 @@ jobs:
 
     steps:
       - name: Checkout main
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         with:
           ref: main
       - name: Checkout code
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
       - name: Run markdown lint
         run: ./bin/lint_markdown.sh
@@ -84,7 +84,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
       - name: Run shellcheck
         uses: ludeeus/action-shellcheck@94e0aab03ca135d11a35e5bfc14e6746dc56e7e9 # 1.0.0
@@ -102,13 +102,13 @@ jobs:
     steps:
       # Checks out main locally so that it is available to the scripts.
       - name: Checkout main
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         with:
           ref: main
 
       # Checks out a copy of your repository on the ubuntu-latest machine
       - name: Checkout code
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
       - name: Setup toolchain
         uses: actions-rs/[email protected]
@@ -144,7 +144,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
       - name: Setup toolchain
         uses: actions-rs/[email protected]
@@ -175,12 +175,12 @@ jobs:
 
     steps:
       - name: Checkout main
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         with:
           ref: main
 
       - name: Checkout code
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
       - name: Setup toolchain
         uses: actions-rs/[email protected]
@@ -211,13 +211,13 @@ jobs:
     steps:
       # Checks out main locally so that it is available to the scripts.
       - name: Checkout main
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         with:
           ref: main
 
       # Checks out a copy of your repository on the ubuntu-latest machine
       - name: Checkout code
-        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
       - name: Setup nightly toolchain
         uses: actions-rs/[email protected]