fix: updated master to main

.github/workflows/cla.yaml

@@ -21,7 +21,7 @@ jobs:
           path-to-signatures: ".github/signatures/version1/cla.json"
           path-to-document: "https://github.com/splunk/addonfactory-test-releaseci/blob/main/CLA.md" # e.g. a CLA or a DCO document
           # branch should not be protected
-          branch: "master"
+          branch: "main"
           allowlist: dependabot
           #below are the optional inputs - If the optional inputs are not given, then default values will be taken
           #remote-organization-name: enter the remote organization name where the signatures should be stored (Default is storing the signatures in the same repository)