ci: add gosec to PRs and main (#750)

* ci: add gosec to PRs and main

* use informalsystems gosec

* add SARIF

* commit to test

* comment changes

Co-authored-by: Federico Kunze Küllmer <federico.kunze94@gmail.com>
Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

tests/solidity/suites/staking/.github/workflows/ci_contracts.yml

@@ -2,17 +2,19 @@ name: contracts
 
 on:
   push:
-    branches: master
+    branches: 
+      - main
   pull_request:
-    branches: '*'
+    branches: 
+      - '*'
 
 jobs:
   CI:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.4.0
       - name: Install node
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2.4.1
         with:
           node-version: 12
       - name: Install