chore(librarian): add testings/constraints-3.7/8 as handwritten files

Author: parthea

.librarian/generator-input/packages/google-cloud-error-reporting/testing/constraints-3.7.txt

@@ -0,0 +1,13 @@
+# This constraints file is used to check that lower bounds
+# are correct in setup.py
+# List all library dependencies and extras in this file.
+# Pin the version to the lower bound.
+# e.g., if setup.py has "google-cloud-foo >= 1.14.0, < 2.0.0dev",
+# Then this file should have google-cloud-foo==1.14.0
+google-api-core==1.34.0
+google-auth==2.14.1
+# cryptography is a direct dependency of google-auth
+cryptography==38.0.3
+proto-plus==1.22.0
+protobuf==3.20.2
+google-cloud-logging==1.14.0

.librarian/generator-input/packages/google-cloud-error-reporting/testing/constraints-3.8.txt

@@ -0,0 +1,6 @@
+# -*- coding: utf-8 -*-
+# This constraints file is required for unit tests.
+# List all library dependencies and extras in this file.
+google-api-core==2.14.0
+proto-plus
+protobuf

.librarian/state.yaml

@@ -1591,8 +1591,7 @@ libraries:
       - ^packages/google-cloud-error-reporting/samples/generated_samples
       - ^packages/google-cloud-error-reporting/scripts/fixup_
       - ^packages/google-cloud-error-reporting/setup.py
-      - ^packages/google-cloud-error-reporting/testing/constraints-3.9
-      - ^packages/google-cloud-error-reporting/testing/constraints-3.1
+      - ^packages/google-cloud-error-reporting/testing
     tag_format: '{id}-v{version}'
   - id: google-cloud-essential-contacts
     version: 1.12.0