ci: fix all linter errors found in golangci-lint

Fixing all the linter errors found in golang-ci
lint v1.46.2

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

internal/kms/vault.go

@@ -302,6 +302,7 @@ func (vc *vaultConnection) Destroy() {
 		tmpFile, ok := vc.vaultConfig[api.EnvVaultCACert]
 		if ok {
 			// ignore error on failure to remove tmpfile (gosec complains)
+			//nolint:forcetypeassert // ignore error on failure to remove tmpfile
 			_ = os.Remove(tmpFile.(string))
 		}
 	}