[Backport 2.x] Bump com.google.googlejavaformat:google-java-format fr…

…om 1.18.1 to 1.19.1 (#3901)

Backport c134ddf from #3898.

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build.gradle

@@ -728,7 +728,7 @@ dependencies {
     integrationTestImplementation "org.apache.httpcomponents:httpasyncclient:4.1.5"
 
     //spotless
-    implementation('com.google.googlejavaformat:google-java-format:1.18.1') {
+    implementation('com.google.googlejavaformat:google-java-format:1.19.1') {
         exclude group: 'com.google.guava'
     }
 }