update codeql-analysis.yml configuration

Author: chrissimpkins

.github/workflows/codeql-analysis.yml

@@ -1,40 +1,45 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
 name: "CodeQL"
 
 on:
   push:
-    branches: [master]
+    branches: [main]
   pull_request:
     # The branches below must be a subset of the branches above
-    branches: [master]
+    branches: [main]
   schedule:
-    - cron: "0 4 * * 1"
+    - cron: "20 21 * * 5"
 
 jobs:
   analyze:
     name: Analyze
     runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
 
     strategy:
       fail-fast: false
       matrix:
-        # Override automatic language detection by changing the below list
-        # Supported options are ['csharp', 'cpp', 'go', 'java', 'javascript', 'python']
         language: ["python"]
-        # Learn more...
-        # https://docs.github.com/en/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#overriding-automatic-language-detection
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
+        # Learn more:
+        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
 
     steps:
       - name: Checkout repository
         uses: actions/checkout@v2
-        with:
-          # We must fetch at least the immediate parents so that if this is
-          # a pull request then we can checkout the head.
-          fetch-depth: 2
-
-      # If this run was triggered by a pull request event, then checkout
-      # the head of the pull request instead of the merge commit.
-      - run: git checkout HEAD^2
-        if: ${{ github.event_name == 'pull_request' }}
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL