chore: auto update example pw version in pom (#1748)

Author: mxschmitt

examples/pom.xml

@@ -10,12 +10,13 @@
   <name>Playwright Client Examples</name>
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <playwright.version>1.49.0</playwright.version>
   </properties>
   <dependencies>
     <dependency>
       <groupId>com.microsoft.playwright</groupId>
       <artifactId>playwright</artifactId>
-      <version>1.41.0</version>
+      <version>${playwright.version}</version>
     </dependency>
   </dependencies>
   <build>

scripts/roll_driver.sh

@@ -24,4 +24,14 @@ else
 fi;
 
 ./generate_api.sh
-./update_readme.sh
+./update_readme.sh
+
+node -e "$(cat <<EOF
+  let [majorVersion, minorVersion] = process.argv[1].split('-')[0].split('.').map(part => parseInt(part, 10));
+  minorVersion[1]--;
+  const previousMajorVersion = majorVersion + '.' + minorVersion + '.0';
+  fs.writeFileSync('../examples/pom.xml', fs.readFileSync('../examples/pom.xml', 'utf8')
+    .replace(/<playwright\.version>.*<\/playwright\.version>/, '<playwright\.version>' + previousMajorVersion + '</playwright\.version>')
+  );
+EOF
+)" $NEW_VERSION