[CALCITE-7177] Update Guava from 33.4.0-jre to 33.4.8-jre in Avatica

Author: Richard Antal

.github/workflows/main.yml

@@ -142,7 +142,7 @@ jobs:
     name: 'Linux (JDK 11), Newest Guava'
     runs-on: ubuntu-latest
     env:
-      GUAVA: 33.4.0-jre # newest supported Guava version
+      GUAVA: 33.4.8-jre # newest supported Guava version
     steps:
       - name: 'Set up JDK 11'
         uses: actions/setup-java@v4

gradle.properties

@@ -61,7 +61,7 @@ bytebuddy.version=1.15.1
 dropwizard-metrics.version=4.0.5
 # We support Guava versions as old as 14.0.1 (the version used by Hive)
 # but prefer more recent versions.
-guava.version=33.4.0-jre
+guava.version=33.4.8-jre
 hamcrest.version=1.3
 hsqldb.version=2.4.1
 h2.version=1.4.197

standalone-server/src/test/java/org/apache/calcite/avatica/shadetest/ShadingTest.java

@@ -39,7 +39,8 @@ public class ShadingTest {
       "^google/protobuf/", "^about.html$", "^org/eclipse/jetty/", "^jetty-dir.css",
       "^com/google/thirdparty/", "^org/checkerframework/", "^javax/annotation/",
       "^com/google/errorprone/", "^Log4j-.*\\.xsd$", "^Log4j-.*\\.dtd$", "^Log4j-.*\\.properties$",
-      "^org/apache/logging/log4j/", "^org/codehaus/mojo/animal_sniffer/", "^org/joou/" };
+      "^org/apache/logging/log4j/", "^org/codehaus/mojo/animal_sniffer/", "^org/joou/",
+      "^org/jspecify/annotations/"};
 
   @Test
   public void validateShadedJar() throws Exception {