ci: bump go-version to 1.22 for govulncheck workflow (#1339)

Signed-off-by: Anish Ramasekar <anish.ramasekar@gmail.com>

.github/workflows/scan-vulns.yaml

@@ -25,6 +25,6 @@ jobs:
 
       - uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
         with:
-          go-version: "1.21"
+          go-version: "1.22"
           check-latest: true
       - uses: golang/govulncheck-action@3a32958c2706f7048305d5a2e53633d7e37e97d0 # v1.0.2