Merge pull request #474 from Feggah/fix/pin-go-promote-workflow

Pin go version in the promote workflow

.github/workflows/promote.yml

@@ -12,6 +12,7 @@ on:
         default: 'alpha'
 
 env:
+  GO_VERSION: '1.18'
   # Common users. We can't run a step 'if secrets.AWS_USR != ""' but we can run
   # a step 'if env.AWS_USR' != ""', so we copy these to succinctly test whether
   # credentials have been provided before trying to run steps that need them.
@@ -28,6 +29,11 @@ jobs:
         with:
           submodules: true
 
+      - name: Setup Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ env.GO_VERSION }}
+
       - name: Fetch History
         run: git fetch --prune --unshallow