Repository: ProvableHQ/sdk (language: rust)

Issue:
[Security] Workflow ci.yml is using vulnerable action actions/checkout
The workflow ci.yml is referencing action actions/checkout using references v1. However this reference is missing the commit [a6747255bd19d7a757dbdda8c654a9f84db19839](https://github.com/actions/checkout/commits/a6747255bd19d7a757dbdda8c654a9f84db19839) which may contain fix to the some vulnerability. 
The vulnerability fix that is missing by actions version could be related to: 
(1) CVE fix 
(2) upgrade of vulnerable dependency 
(3) fix to secret leak and others. 
Please consider to update the reference to the action.


Discussion / hints:

Fix patch:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fc119f477..c04f5d1c3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
 
       - name: Install Rust
         uses: actions-rs/toolchain@v1


Test patch: