Update IDF target branch to v4.4

Author: me-no-dev

.github/workflows/cron.yml

@@ -20,7 +20,7 @@ jobs:
 
     strategy:
       matrix:
-        idf_branch: [master, release/v3.3]
+        idf_branch: [release/v4.4, release/v3.3]
     steps:
     - uses: actions/checkout@v1
     - name: Install dependencies

tools/config.sh

@@ -3,7 +3,7 @@
 IDF_COMPS="$IDF_PATH/components"
 
 if [ -z $IDF_BRANCH ]; then
-	IDF_BRANCH="master"
+	IDF_BRANCH="release/v4.4"
 fi
 
 if [ -z $AR_PR_TARGET_BRANCH ]; then