Switch to upstream Go runfiles library

Now that we upgraded rules_go, we can use its runfiles library. The
one we were using has been upstreamed into rules_go, so there's no
reason not to use the upstream one now.

Signed-off-by: Philipp Schrader <philipp.schrader@gmail.com>
Change-Id: I5253ceabc4f166f850ea1f9a42fd42cd6f06f02f
diff --git a/go.mod b/go.mod
index b1720c2..6c6c8ee 100644
--- a/go.mod
+++ b/go.mod
@@ -3,10 +3,11 @@
 go 1.17
 
 require (
+	github.com/bazelbuild/rules_go v0.38.1
 	github.com/buildkite/go-buildkite v2.2.0+incompatible
 	github.com/golang/protobuf v1.5.2
 	github.com/google/flatbuffers v2.0.5+incompatible
-	google.golang.org/grpc v1.43.0
+	google.golang.org/grpc v1.50.0
 	gorm.io/driver/postgres v1.3.7
 	gorm.io/gorm v1.23.5
 )
@@ -15,12 +16,11 @@
 	github.com/cenkalti/backoff v2.2.1+incompatible // indirect
 	github.com/davecgh/go-spew v1.1.1
 	github.com/google/go-querystring v1.1.0 // indirect
-	github.com/phst/runfiles v0.0.0-20220125203201-388095b3a22d
-	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 // indirect
+	golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4 // indirect
 	golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 // indirect
 	golang.org/x/text v0.3.7 // indirect
 	google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 // indirect
-	google.golang.org/protobuf v1.26.0 // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
 )
 
 require (