BCDA-7456: update golang.org/x/net to suggested version to resolve dependabot alerts

[alex-dzeda]

Resolve Dependabot security alerts by updating indirect package dependencies for golang.org/x/net to v0.17.0

🎫 Ticket

https://jira.cms.gov/browse/BCDA-7456

🛠 Changes

Updated go.mod to reference a newer version of golang.org/x/net

ℹ️ Context for reviewers

There are currently 5 security alerts for bcda-app, 5 of which are related to golang.org/x/net being out of date.

✅ Acceptance Validation

CI flow continues to pass all tests after updating go.mod ✅

🔒 Security Implications

• This PR adds a new software dependency or dependencies.
• This PR modifies or invalidates one or more of our security controls.
• This PR stores or transmits data that was not stored or transmitted before.
• This PR requires additional review of its security implications for other reasons.

If any security implications apply, add Jason Ashbaugh (GitHub username: StewGoin) as a reviewer and do not merge this PR without his approval.

[kyeah]

tests pass, so it's good enough for me 👍