Fix muzzle CI step (#7746)

* fix: Fix OOM writeMuzzleTasksToFile gradle task
* fix: Set minimun supported version for protobuf instrumentation
* feat: Restore muzzle as PR check requirement

.circleci/config.continue.yml.j2

@@ -782,6 +782,7 @@ jobs:
           name: Gather muzzle tasks
           command: >-
             SKIP_BUILDSCAN="true"
+            GRADLE_OPTS="-Dorg.gradle.jvmargs='-Xmx2G -Xms2G -XX:ErrorFile=/tmp/hs_err_pid%p.log -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/tmp'"
             ./gradlew writeMuzzleTasksToFile
             << pipeline.parameters.gradle_flags >>
             --max-workers=3
@@ -1434,6 +1435,7 @@ build_test_jobs: &build_test_jobs
 {% for jdk in all_jdks %}
         - "test_{{ jdk }}"
 {% endfor %}
+        - muzzle
         - profiling
         - debugger
         - system-tests

dd-java-agent/instrumentation/protobuf/build.gradle

@@ -8,7 +8,8 @@ muzzle {
   pass {
     group = "com.google.protobuf"
     module = "protobuf-java"
-    versions = "[,)"
+    versions = "[2.0.0,)"
+    skipVersions = ["2.0.1", "2.1.0", "2.2.0", "2.3.0", "2.4.1"]
     assertInverse = true
   }
 }