Bump guava from 29.0-jre to 30.0-jre in /core

[dependabot]

Bumps guava from 29.0-jre to 30.0-jre.

Release notes

Sourced from guava's releases.

30.0

Maven

<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
  <version>30.0-jre</version>
  <!-- or, for Android: -->
  <version>30.0-android</version>
</dependency>

Javadoc

• 30.0-jre
• 30.0-android

JDiff

• 30.0-jre vs. 29.0-jre
• 30.0-android vs. 29.0-android
• 30.0-android vs. 30.0-jre

Changelog

• Guava types can no longer be sent over GWT-RPC. Even the earlier, temporary way to reenable support (guava.gwt.emergency_reenable_rpc) no longer has an effect. (0cb89dd110)
• cache: Fixed memory leak in LocalCache under j2objc. (5e519d91d0)
• collect: Added two-element min and max methods to Comparators. (958186c071)
• collect: Removed @Beta from Multimaps.toMultimap. (b6b4dc49b1)
• collect: Made the set returned by ImmutableMap<K, V>.keySet() serializable as long as K is serializable, even if V is not (and similarly for values()). (f5a69c33fc)
• collect: Fixed bug in powerSet.equals(otherPowerSet) would erroneously return false if the two power sets' underlying sets were equal but had a different iteration order. (215b1f0dd7)
• collect: Eliminated j2objc retain-cycle in SingletonImmutableBiMap. (0ad38b88bd)
• eventbus: Prevented @Subscribe from being applied to a method that takes a primitive, as that will never be called. (554546c971)
• graph: Made Traverser.breadthFirst() lazier, and optimized Traverser more generally. (32f2d770f7, b5210ca95c)
• graph: Added @DoNotMock to Traverser. (6410f18c06)
• io: Deprecated Files.createTempDir(). (fec0dbc463) (CVE forthcoming)
• io: Upgraded ByteStreams.copy(InputStream, OutputStream) to use the faster FileChannel if possible. (a1e9a0bd12)
• math: Added roundToDouble to BigDecimalMath, BigIntegerMath, and LongMath. (bee4f3c7ed, 2b5c096ddf, 633abf2c62)
• net: Added MediaType constants for several font/ types. (571cf66bac)
• net: Added HttpHeaders constants for Cross-Origin-Embedder-Policy(-Report-Only)?. (c3bf73187a)
• testing: Made EqualsTester test that non-String objects are not equal to their String representations. (c9570eae69)
• util.concurrent: Added ClosingFuture. (52e048ed6c)
• util.concurrent: Removed the deprecated 1-arg ServiceManager.addListener(Listener). Use the 2-arg addListener(Listener, Executor) overload, setting the executor to directExecutor() for equivalent behavior. (dfb0001714)
• util.concurrent: Changed AbstractFuture.toString() to no longer include the toString() of the result. (2ebf27fd45)
• util.concurrent: Added awaitTerminationUninterruptibly. (f07b9540dc)

Commits

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