fix(jcache): Use cache.flush for removeAll() without keys

removeAll() with no args removes all entries, which is semantically
equivalent to clear(). Use cache.flush instead of cache.remove.
The keyed removeAll(Set) remains cache.remove.

Author: adinauer

sentry-jcache/src/main/java/io/sentry/jcache/SentryJCacheWrapper.java

@@ -252,7 +252,7 @@ public void removeAll(final Set<? extends K> keys) {
 
   @Override
   public void removeAll() {
-    final ISpan span = startSpan("cache.remove", null);
+    final ISpan span = startSpan("cache.flush", null);
     if (span == null) {
       delegate.removeAll();
       return;

sentry-jcache/src/test/kotlin/io/sentry/jcache/SentryJCacheWrapperTest.kt

@@ -288,15 +288,15 @@ class SentryJCacheWrapperTest {
   // -- removeAll() --
 
   @Test
-  fun `removeAll creates cache remove span`() {
+  fun `removeAll without keys creates cache flush span`() {
     val tx = createTransaction()
     val wrapper = SentryJCacheWrapper(delegate, scopes)
 
     wrapper.removeAll()
 
     verify(delegate).removeAll()
     assertEquals(1, tx.spans.size)
-    assertEquals("cache.remove", tx.spans.first().operation)
+    assertEquals("cache.flush", tx.spans.first().operation)
   }
 
   // -- clear --