WS-3151: Drop 7.3 and add 8.3.

Author: seth-mg

CI.Jenkinsfile

@@ -1,5 +1,5 @@
 // These are Debian images.
-def php_versions = [7.3, 7.4, 8.0, 8.1, 8.2]
+def php_versions = [7.4, 8.0, 8.1, 8.2, 8.3]
 
 def runVersion(sourceDir, ver) {
     mySonarOpts = "-Dsonar.host.url=${env.SONAR_HOST_URL} -Dsonar.login=${env.SONAR_AUTH_TOKEN}"

examples/README.md

@@ -3,7 +3,7 @@ These examples are scripts that can be run independently to demonstrate the Rose
 
 Each example file demonstrates one of the capabilities of the Rosette Platform. Each example, when run, prints its output to the console.
 
-Here are some methods for running the examples.  Each example will also accept an optional `--url` parameter for
+Here are some methods for running the examples.  Each example will also accept an optional `--url=` parameter for
 overriding the default URL.
 
 Also, the examples are dual purpose in that they're used to test both source and packagist.  The instructions include steps to address this depending on what you are testing.
@@ -15,7 +15,7 @@ A note on prerequisites.  Rosette API only supports TLS 1.2 so ensure your toolc
 ```
 git clone git@github.com:rosette-api/php.git
 cd php
-docker run -it -v $(pwd):/source --entrypoint bash php:7.3-cli
+docker run -it -v $(pwd):/source --entrypoint bash php:8.2-cli
 
 apt-get update
 apt-get install -y git zip
@@ -37,7 +37,7 @@ php ping.php --key $API_KEY
 ```
 git clone git@github.com:rosette-api/php.git
 cd php
-docker run -it -v $(pwd):/source --entrypoint bash php:7.3-cli
+docker run -it -v $(pwd):/source --entrypoint bash php:78.2-cli
 
 apt-get update
 apt-get install -y git zip