twitter-oss: Prepare OSS libraries for release

Summary: Problem

We want to release the next versions of our Twitter OSS libraries:

util -> 7.0.0
scrooge -> 4.19.0
finagle -> 7.0.0
twitter-server -> 1.31.0
finatra -> 2.12.0

Solution

Prepare libraries for their next releases.

JIRA Issues: CSL-4761

Differential Revision: https://phabricator.twitter.biz/D81321

Author: Daniel Schobel

CHANGES

@@ -7,6 +7,11 @@ Note that ``RB_ID=#`` correspond to associated messages in commits.
 1.x
 -----
 
+1.31.0
+------
+
+No Changes
+
 1.30.0
 ------
 Runtime Behavior Changes

build.sbt

@@ -3,9 +3,9 @@ import scoverage.ScoverageKeys
 val branch = Process("git" :: "rev-parse" :: "--abbrev-ref" :: "HEAD" :: Nil).!!.trim
 val suffix = if (branch == "master") "" else "-SNAPSHOT"
 
-val libVersion = "1.30.0" + suffix
-val utilVersion = "6.45.0" + suffix
-val finagleVersion = "6.45.0" + suffix
+val libVersion = "1.31.0" + suffix
+val utilVersion = "7.0.0" + suffix
+val finagleVersion = "7.0.0" + suffix
 
 val jacksonVersion = "2.8.4"
 val jacksonLibs = Seq(