[FSSDK-9461] Bump Ruby version to 3.3 (#351)

* add ruby 3.3.0

* add rb 3.3.0 to devcontainer.json

Author: Mat001

.devcontainer/devcontainer.json

@@ -1,7 +1,7 @@
 {
 	"name": "Ruby SDK",
 
-	"image": "mcr.microsoft.com/devcontainers/ruby:1-3.2-bullseye",
+	"image": "mcr.microsoft.com/devcontainers/ruby:1-3.3-bullseye",
 
 	"postCreateCommand": "set -e && bundle install && gem install optimizely-sdk && rake build && gem install pkg/* && gem install solargraph",
 

.github/workflows/ruby.yml

@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: [ '3.0.0', '3.1.0', '3.2.0' ]
+        ruby: [ '3.0.0', '3.1.0', '3.2.0', '3.3.0' ]
     steps:
     - uses: actions/checkout@v3
     - name: Set up Ruby ${{ matrix.ruby }}