Bump github.com/prometheus/client_golang from 1.11.0 to 1.20.5

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.11.0 to 1.20.5.
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/main/CHANGELOG.md)
- [Commits](prometheus/client_golang@v1.11.0...v1.20.5)

---
updated-dependencies:
- dependency-name: github.com/prometheus/client_golang
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -3,14 +3,13 @@ module github.com/adanalife/tripbot
 go 1.15
 
 require (
-	cloud.google.com/go/logging v1.4.2
+	cloud.google.com/go/logging v1.7.0
 	github.com/adrg/libvlc-go/v3 v3.1.5
 	github.com/bradfitz/latlong v0.0.0-20170410180902-f3db6d0dff40
 	github.com/davecgh/go-spew v1.1.1
 	github.com/dimiro1/banner v1.1.0
 	github.com/gempir/go-twitch-irc/v2 v2.8.1
 	github.com/getsentry/sentry-go v0.11.0
-	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
 	github.com/gorilla/mux v1.8.0
 	github.com/gorilla/schema v1.2.0 // indirect
 	github.com/hako/durafmt v0.0.0-20200710122514-c0fb7b4da026
@@ -25,14 +24,12 @@ require (
 	github.com/mitchellh/go-ps v1.0.0
 	github.com/nathan-osman/go-sunrise v0.0.0-20201029015502-9a83cd1a5746
 	github.com/nicklaw5/helix v1.24.4
-	github.com/prometheus/client_golang v1.11.0
+	github.com/prometheus/client_golang v1.20.5
 	github.com/robfig/cron v1.2.0
 	github.com/sfreiberg/gotwilio v0.0.0-20200916182813-169c4cd5c691
 	github.com/skratchdot/open-golang v0.0.0-20200116055534-eef842397966
 	github.com/slok/go-http-metrics v0.9.0
 	github.com/unrolled/secure v1.0.9
 	github.com/urfave/negroni v1.0.0
-	golang.org/x/image v0.0.0-20200927104501-e162460cd6b5 // indirect
-	golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e // indirect
 	googlemaps.github.io/maps v1.3.2
 )