prepare for release 3.8.1 (#424)

Author: jaeopt

.travis.yml

@@ -106,7 +106,7 @@ jobs:
       os: osx
       osx_image: xcode11.6
       env:
-        - VERSION=3.8.0
+        - VERSION=3.8.1
       install:
         # install hub
         - wget https://github.com/github/hub/releases/download/v2.11.2/hub-darwin-amd64-2.11.2.tgz -O /tmp/hub-darwin-amd64-2.11.2.tgz && tar -xvf /tmp/hub-darwin-amd64-2.11.2.tgz -C /usr/local/opt && ln -s /usr/local/opt/hub-darwin-amd64-2.11.2/bin/hub /usr/local/bin/hub
@@ -123,7 +123,7 @@ jobs:
       os: osx
       osx_image: xcode11.6
       env:
-        - VERSION=3.8.0
+        - VERSION=3.8.1
       install:
         # install hub
         - wget https://github.com/github/hub/releases/download/v2.11.2/hub-darwin-amd64-2.11.2.tgz -O /tmp/hub-darwin-amd64-2.11.2.tgz && tar -xvf /tmp/hub-darwin-amd64-2.11.2.tgz -C /usr/local/opt && ln -s /usr/local/opt/hub-darwin-amd64-2.11.2/bin/hub /usr/local/bin/hub

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Optimizely Swift SDK Changelog
 
+## 3.8.1
+August 6, 2021
+
+### Bug Fixes
+* Remove lazy initializations for thread safety. ([#422](https://github.com/optimizely/swift-sdk/pull/422))
+
+
 ## 3.8.0
 June 2, 2021
 

DemoSwiftApp/DemoSwiftApp.xcodeproj/xcshareddata/xcschemes/DemoSwiftwatchOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1250"
+   LastUpgradeVersion = "1240"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

README.md

@@ -38,15 +38,15 @@ Add the dependency on the Optimizely Swift SDK with Swift Package Manager in `Xc
 #### CocoaPods 
 1. Add the following lines to the _Podfile_:<pre>
 ```use_frameworks!```
-```pod 'OptimizelySwiftSDK', '~> 3.8.0'```
+```pod 'OptimizelySwiftSDK', '~> 3.8.1'```
 </pre>
 
 2. Run the following command: <pre>``` pod install ```</pre>
 
 Further installation instructions for Cocoapods: https://guides.cocoapods.org/using/getting-started.html
 
 #### Carthage
-1. Add the following lines to the _Cartfile_:<pre>```github "optimizely/swift-sdk" ~> 3.8.0```</pre>
+1. Add the following lines to the _Cartfile_:<pre>```github "optimizely/swift-sdk" ~> 3.8.1```</pre>
 
 2. Run the following command:<pre>```carthage update```</pre>