chore(deps): update dependency backoff to v2 (#577)

renovate-bot · web-flow · commit 4ac206ca1e1b · 2022-04-26T14:05:03.000-04:00
diff --git a/packages/google-cloud-bigtable/samples/instanceadmin/requirements.txt b/packages/google-cloud-bigtable/samples/instanceadmin/requirements.txt
@@ -1,2 +1,2 @@
 google-cloud-bigtable==2.9.0
-backoff==1.11.1
+backoff==2.0.0
diff --git a/packages/google-cloud-bigtable/samples/snippets/writes/requirements-test.txt b/packages/google-cloud-bigtable/samples/snippets/writes/requirements-test.txt
@@ -1,2 +1,2 @@
-backoff==1.11.1
+backoff==2.0.0
 pytest==7.1.2
