Fix PHP CodeSniffer and PHPCompatibility dependency versions

Co-authored-by: jmiller-moko <230051081+jmiller-moko@users.noreply.github.com>

docs/JOOMLA_DEVELOPMENT.md

@@ -233,9 +233,9 @@ phpcbf --standard=phpcs.xml
 
 1. Install tools:
 ```bash
-composer global require squizlabs/php_codesniffer
+composer global require "squizlabs/php_codesniffer:^3.0"
 composer global require phpstan/phpstan
-composer global require phpcompatibility/php-compatibility
+composer global require "phpcompatibility/php-compatibility:^9.0"
 ```
 
 2. Configure PHPCompatibility:
@@ -323,7 +323,7 @@ After deployment to Joomla:
 
 **Issue: PHP_CodeSniffer not found**
 ```bash
-composer global require squizlabs/php_codesniffer
+composer global require "squizlabs/php_codesniffer:^3.0"
 export PATH="$PATH:$HOME/.composer/vendor/bin"
 ```
 

docs/QUICK_START.md

@@ -28,9 +28,9 @@ cd moko-cassiopeia
 make dev-setup
 
 # Or manually
-composer global require squizlabs/php_codesniffer
+composer global require "squizlabs/php_codesniffer:^3.0"
 composer global require phpstan/phpstan
-composer global require phpcompatibility/php-compatibility
+composer global require "phpcompatibility/php-compatibility:^9.0"
 composer global require codeception/codeception
 ```
 
@@ -243,7 +243,7 @@ chmod +x scripts/**/*.sh
 ```bash
 make install
 # Or manually:
-composer global require squizlabs/php_codesniffer phpstan/phpstan
+composer global require "squizlabs/php_codesniffer:^3.0" phpstan/phpstan
 ```
 
 ### Pre-commit Hook Fails

docs/WORKFLOW_GUIDE.md

@@ -86,7 +86,7 @@ gh run view <run-id> --log
 **How to run locally:**
 ```bash
 # Install tools
-composer global require squizlabs/php_codesniffer phpstan/phpstan
+composer global require "squizlabs/php_codesniffer:^3.0" phpstan/phpstan
 
 # Run checks
 phpcs --standard=phpcs.xml src/