ci(codeql): run the default suite on full scans and security-extended on PRs (#45149)

Co-authored-by: yuneng <yuneng@berri.ai>

.github/codeql/codeql-config.yml

@@ -1,8 +1,5 @@
 name: "LiteLLM CodeQL config"
 
-queries:
-  - uses: security-and-quality
-
 # Known OOM queries on large Python codebases:
 # CodeQL builds a full data flow graph in memory. These two queries trace
 # sensitive data through every log call / regex pattern, causing combinatorial
@@ -14,17 +11,6 @@ query-filters:
       id: py/clear-text-logging-sensitive-data  # CWE-312
   - exclude:
       id: py/polynomial-redos                   # CWE-730
-  # Import resolution confuses stdlib types with management_endpoints/types.py.
-  # The generic cycle query also reports intentional deferred imports.
-  - exclude:
-      id: py/cyclic-import
-  - exclude:
-      id: py/unsafe-cyclic-import
-  # Known false positives on live settings and Protocol placeholders.
-  - exclude:
-      id: py/unused-global-variable
-  - exclude:
-      id: py/ineffectual-statement
 
 paths-ignore:
   - tests

.github/workflows/codeql.yml

@@ -1,8 +1,6 @@
 name: "CodeQL"
 
 on:
-  push:
-    branches: [main]
   pull_request:
     branches: [main]
   schedule:
@@ -43,14 +41,15 @@ jobs:
           persist-credentials: false
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@ebcb5b36ded6beda4ceefea6a8bc4cc885255bb3 # v3.34.1
+        uses: github/codeql-action/init@2892aa5e19bbd11bc0cff5427e3b750a04d9e3c2 # v4.38.2
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
           config-file: ./.github/codeql/codeql-config.yml
+          queries: ${{ github.event_name == 'pull_request' && '+security-extended' || '' }}
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@ebcb5b36ded6beda4ceefea6a8bc4cc885255bb3 # v3.34.1
+        uses: github/codeql-action/analyze@2892aa5e19bbd11bc0cff5427e3b750a04d9e3c2 # v4.38.2
         with:
           category: "/language:${{ matrix.language }}"
           output: sarif-results
@@ -83,7 +82,7 @@ jobs:
           output: sarif-results/python.sarif
 
       - name: Upload SARIF
-        uses: github/codeql-action/upload-sarif@ebcb5b36ded6beda4ceefea6a8bc4cc885255bb3 # v3.34.1
+        uses: github/codeql-action/upload-sarif@2892aa5e19bbd11bc0cff5427e3b750a04d9e3c2 # v4.38.2
         with:
           sarif_file: sarif-results
           category: "/language:${{ matrix.language }}"