oauth2-proxy: remediate GHSA-78h2-9frx-2jm8 (#59364)

Co-authored-by: cve-remediation <cve-remediation@chainguard.dev>

Export:  6bd0114

Author: octo-sts[bot]

oauth2-proxy.yaml

@@ -1,7 +1,7 @@
 package:
   name: oauth2-proxy
   version: "7.15.1"
-  epoch: 6 # use full path /usr/bin/oauth2-proxy in test script
+  epoch: 7 # GHSA-78h2-9frx-2jm8
   description: Reverse proxy and static file server that provides authentication using various providers to validate accounts by email, domain or group.
   copyright:
     - license: MIT
@@ -39,6 +39,7 @@ pipeline:
     with:
       deps: |-
         github.com/go-jose/go-jose/v3@v3.0.5
+        github.com/go-jose/go-jose/v4@v4.1.4
 
   - uses: go/build
     with: