housekeeping: Update module github.com/bradleyfalzon/ghinstallation/v…

…2 to v2.9.0

backend/go.mod

@@ -16,7 +16,7 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/s3 v1.36.0
 	github.com/aws/aws-sdk-go-v2/service/sts v1.21.5
 	github.com/aws/smithy-go v1.14.2
-	github.com/bradleyfalzon/ghinstallation/v2 v2.7.0
+	github.com/bradleyfalzon/ghinstallation/v2 v2.9.0
 	github.com/bufbuild/buf v0.56.0
 	github.com/cactus/go-statsd-client/statsd v0.0.0-20200623234511-94959e3146b2
 	github.com/coreos/go-oidc/v3 v3.5.0
@@ -108,8 +108,8 @@ require (
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/mock v1.6.0 // indirect
 	github.com/google/gnostic-models v0.6.8 // indirect
-	github.com/google/go-cmp v0.5.9 // indirect
-	github.com/google/go-github/v55 v55.0.0 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/google/go-github/v57 v57.0.0 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/gorilla/websocket v1.4.2 // indirect