chore(deps): update dependency pem to v21 (#82)

renovate-bot · rsamborski · commit 2b395713ae5b · 2022-11-14T11:30:42.000+01:00
diff --git a/kms/attestations/requirements.txt b/kms/attestations/requirements.txt
@@ -1,2 +1,2 @@
 cryptography==3.3.1
-pem==20.1.0
+pem==21.1.0
