ci: Use GITHUB_TOKEN for API calls in update workflow

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

.github/workflows/update.yaml

@@ -28,11 +28,13 @@ jobs:
             **/go.mod
       - name: Update component versions
         id: update
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           PR_BODY=$(mktemp)
 
           bump_version() {
-            local LATEST_VERSION=$(curl -s https://api.github.com/repos/fluxcd/$1/releases | jq -r 'sort_by(.published_at) | .[-1] | .tag_name')
+            local LATEST_VERSION=$(curl -s -H "Authorization: token ${GITHUB_TOKEN}" https://api.github.com/repos/fluxcd/$1/releases | jq -r 'sort_by(.published_at) | .[-1] | .tag_name')
             local CTRL_VERSION=$(sed -n "s/.*$1\/releases\/download\/\(.*\)\/.*/\1/p;n" manifests/bases/$1/kustomization.yaml)
             local CRD_VERSION=$(sed -n "s/.*$1\/releases\/download\/\(.*\)\/.*/\1/p" manifests/crds/kustomization.yaml)
             local MOD_VERSION=$(go list -m -f '{{ .Version }}' "github.com/fluxcd/$1/api")