Catch more error types in the insights proxy.

[jctanner]

No description provided.

[jctanner]

/retest

[jctanner]

The test_copy_cv test is still flaky due to ...

2023-09-11T16:13:49.5825972Z proxy_1         | Authenticating with refresh token: 691b78771ddf1e92bcbd9f2bf457efc4
2023-09-11T16:13:49.5826576Z proxy_1         | Setting X-RH-IDENTITY: {"identity":{"account_number":6089719,"user":{"username":"jdoe","first_name":"john","last_name":"doe","email":"[email protected]","is_org_admin":false}},"entitlements":{"insights":{"is_entitled":true,"is_trial":false}}}
2023-09-11T16:13:49.5826765Z proxy_1         | req.Host: localhost:38080
2023-09-11T16:13:49.5826933Z proxy_1         | req.URL.Host: 
2023-09-11T16:13:49.5827103Z proxy_1         | req.URL.Scheme: 
2023-09-11T16:13:49.5827539Z proxy_1         | req.URL.Path: /api/automation-hub/pulp/api/v3/repositories/ansible/ansible/018a84fd-cf19-7ea2-880e-8929be5dc66c/copy_collection_version/
2023-09-11T16:13:49.5827752Z proxy_1         | urlToProxyTo.Host: pulp:55001
2023-09-11T16:13:49.5827954Z proxy_1         | urlToProxyTo.Scheme: http
2023-09-11T16:13:49.5828409Z proxy_1         | Proxying request to: /api/automation-hub/pulp/api/v3/repositories/ansible/ansible/018a84fd-cf19-7ea2-880e-8929be5dc66c/copy_collection_version/
2023-09-11T16:13:49.5828629Z proxy_1         | Retry attempt 1: write broken pipe
2023-09-11T16:13:49.5828867Z proxy_1         | Retry attempt 2: invalid read on closed body
2023-09-11T16:13:49.5829172Z proxy_1         | Retry attempt 3: invalid read on closed body
2023-09-11T16:13:49.5829349Z proxy_1         | error ...
2023-09-11T16:13:49.5829551Z proxy_1         | Exhausted all retry attempts