[StepSecurity] Apply security best practices (#1)

* [StepSecurity] Apply security best practices

Signed-off-by: StepSecurity Bot <bot@stepsecurity.io>

* Update dependabot.yml

Signed-off-by: Joyce <joycebrum@google.com>

* Update labeler.yml

Signed-off-by: Joyce <joycebrum@google.com>

---------

Signed-off-by: StepSecurity Bot <bot@stepsecurity.io>
Signed-off-by: Joyce <joycebrum@google.com>
Co-authored-by: Joyce <joycebrum@google.com>

.github/dependabot.yml

@@ -0,0 +1,18 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/.github/workflows/codeql-analysis.yml"
+    schedule:
+      interval: "monthly"
+    groups:
+      github-actions:
+        patterns:
+          - "*"
+  - package-ecosystem: "github-actions"
+    directory: "/.github/workflows/labeler.yml"
+    schedule:
+      interval: "monthly"
+    groups:
+      github-actions:
+        patterns:
+          - "*"

.github/workflows/codeql-analysis.yml

@@ -27,18 +27,18 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
+      uses: github/codeql-action/init@407ffafae6a767df3e0230c3df91b6443ae8df75 # v2.22.8
       with:
         languages: c-cpp
 
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v2
+      uses: github/codeql-action/autobuild@407ffafae6a767df3e0230c3df91b6443ae8df75 # v2.22.8
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
+      uses: github/codeql-action/analyze@407ffafae6a767df3e0230c3df91b6443ae8df75 # v2.22.8

.github/workflows/labeler.yml

@@ -15,6 +15,6 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: srvaroa/labeler@master
+      - uses: srvaroa/labeler@74404350883f8b689b026d8747622bd12d3f070a # v1.8.0
         env:
           GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"