Update gatekeeper.yml to use go version 1.20 (#333)

* Update gatekeeper.yml to use go version 1.20

Signed-off-by: Alex Pana <[email protected]>

* Update .github/workflows/gatekeeper.yml

Signed-off-by: Alex Pana <[email protected]>

---------

Signed-off-by: Alex Pana <[email protected]>
Co-authored-by: Sertaç Özercan <[email protected]>

Author: acpana

.github/workflows/gatekeeper.yml

@@ -7,10 +7,10 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - name: Set up Go 1.19
+      - name: Set up Go 1.20
         uses: actions/setup-go@v4
         with:
-          go-version: 1.19
+          go-version: "1.20"
 
       - name: Check out code into the Go module directory
         uses: actions/checkout@v3