golang: bump github.com/google/go-github/v24 in /tools/buildpacks

Bumps [github.com/google/go-github/v24](https://github.com/google/go-github) from 24.0.0 to 24.0.1.
- [Release notes](https://github.com/google/go-github/releases)
- [Commits](google/go-github@v24.0.0...v24.0.1)

---
updated-dependencies:
- dependency-name: github.com/google/go-github/v24
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

tools/buildpacks/go.mod

@@ -1,7 +1,7 @@
 module github.com/alphagov/paas-cf/tools/buildpacks
 
 require (
-	github.com/google/go-github/v24 v24.0.0
+	github.com/google/go-github/v24 v24.0.1
 	golang.org/x/oauth2 v0.0.0-20190115181402-5dab4167f31c
 	golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e // indirect
 	gopkg.in/yaml.v2 v2.4.0

tools/buildpacks/go.sum

@@ -3,8 +3,8 @@ github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/google/go-github v17.0.0+incompatible h1:N0LgJ1j65A7kfXrZnUDaYCs/Sf4rEjNlfyDHW9dolSY=
 github.com/google/go-github v17.0.0+incompatible/go.mod h1:zLgOLi98H3fifZn+44m+umXrS52loVEgC2AApnigrVQ=
-github.com/google/go-github/v24 v24.0.0 h1:11gKs9XbwcUO5yEgg+GAbtg6z6CH7tK77wDM3mnAnXc=
-github.com/google/go-github/v24 v24.0.0/go.mod h1:CRqaW1Uns1TCkP0wqTpxYyRxRjxwvKU/XSS44u6X74M=
+github.com/google/go-github/v24 v24.0.1 h1:KCt1LjMJEey1qvPXxa9SjaWxwTsCWSq6p2Ju57UR4Q4=
+github.com/google/go-github/v24 v24.0.1/go.mod h1:CRqaW1Uns1TCkP0wqTpxYyRxRjxwvKU/XSS44u6X74M=
 github.com/google/go-querystring v1.0.0 h1:Xkwi/a1rcvNg1PPYe5vI8GbeBY/jrVuDX5ASuANWTrk=
 github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
 golang.org/x/crypto v0.0.0-20180820150726-614d502a4dac/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=