fix(deps): update module github.com/gin-contrib/pprof to v1.5.3

Author: renovate[bot]

backend/go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/diggerhq/digger/libs v0.4.15
 	github.com/dominikbraun/graph v0.23.0
 	github.com/getsentry/sentry-go v0.28.0
-	github.com/gin-contrib/pprof v1.5.0
+	github.com/gin-contrib/pprof v1.5.3
 	github.com/gin-contrib/sessions v1.0.1
 	github.com/gin-gonic/gin v1.10.0
 	github.com/golang-jwt/jwt v3.2.2+incompatible