go.mod: update github.com/gin-gonic/gin to v1.7.7 (#1341) (#1361)

See https://github.com/gin-gonic/gin/releases/tag/v1.7.7, resolves a
vulnerability. This is a direct dependency as a library for which we
provide an integration and should be updated according to our version
policy to address the vulnerability.

go.mod

@@ -25,7 +25,7 @@ require (
 	github.com/fatih/color v1.9.0 // indirect
 	github.com/frankban/quicktest v1.13.0 // indirect
 	github.com/garyburd/redigo v1.6.3
-	github.com/gin-gonic/gin v1.7.0
+	github.com/gin-gonic/gin v1.7.7
 	github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8
 	github.com/go-chi/chi v1.5.0
 	github.com/go-chi/chi/v5 v5.0.0

go.sum

@@ -177,8 +177,8 @@ github.com/garyburd/redigo v1.6.3/go.mod h1:rTb6epsqigu3kYKBnaF028A7Tf/Aw5s0cqA4
 github.com/ghodss/yaml v0.0.0-20150909031657-73d445a93680/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
-github.com/gin-gonic/gin v1.7.0 h1:jGB9xAJQ12AIGNB4HguylppmDK1Am9ppF7XnGXXJuoU=
-github.com/gin-gonic/gin v1.7.0/go.mod h1:jD2toBW3GZUr5UMcdrwQA10I7RuaFOl/SGeDjXkfUtY=
+github.com/gin-gonic/gin v1.7.7 h1:3DoBmSbJbZAWqXJC3SLjAPfutPJJRN1U5pALB7EeTTs=
+github.com/gin-gonic/gin v1.7.7/go.mod h1:axIBovoeJpVj8S3BwE0uPMTeReE4+AfFtqpqaZ1qq1U=
 github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8 h1:DujepqpGd1hyOd7aW59XpK7Qymp8iy83xq74fLr21is=
 github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
 github.com/go-asn1-ber/asn1-ber v1.3.1/go.mod h1:hEBeB/ic+5LoWskz+yKT7vGhhPYkProFKoKdwZRWMe0=