Update all non-major dependencies to v2.20.0 (mulk/jgvariant!24)

This MR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [com.google.errorprone:error_prone_core](https://errorprone.info) ([source](https://github.com/google/error-prone)) |  | minor | `2.19.1` -> `2.20.0` |
| [com.google.errorprone:error_prone_annotations](https://errorprone.info) ([source](https://github.com/google/error-prone)) | compile | minor | `2.19.1` -> `2.20.0` |

---

### Release Notes

<details>
<summary>google/error-prone</summary>

### [`v2.20.0`](https://github.com/google/error-prone/releases/tag/v2.20.0): Error Prone 2.20.0

[Compare Source](https://github.com/google/error-prone/compare/v2.19.1...v2.20.0)

Changes:

-   This release is compatible with early-access builds of JDK 21.

New Checkers:

-   [`InlineTrivialConstant`](https://errorprone.info/bugpattern/InlineTrivialConstant)
-   [`UnnecessaryStringBuilder`](https://errorprone.info/bugpattern/UnnecessaryStringBuilder)
-   [`BanClassLoader`](https://errorprone.info/bugpattern/BanClassLoader)
-   [`DereferenceWithNullBranch`](https://errorprone.info/bugpattern/DereferenceWithNullBranch)
-   [`DoNotUseRuleChain`](https://errorprone.info/bugpattern/DoNotUseRuleChain)
-   [`LockOnNonEnclosingClassLiteral`](https://errorprone.info/bugpattern/LockOnNonEnclosingClassLiteral)
-   [`MissingRefasterAnnotation`](https://errorprone.info/bugpattern/MissingRefasterAnnotation)
-   [`NamedLikeContextualKeyword`](https://errorprone.info/bugpattern/NamedLikeContextualKeyword)
-   [`NonApiType`](https://errorprone.info/bugpattern/NonApiType)

Fixes issues: [#&#8203;2232](https://github.com/google/error-prone/issues/2232), [#&#8203;2243](https://github.com/google/error-prone/issues/2243), [#&#8203;2997](https://github.com/google/error-prone/issues/2997), [#&#8203;3301](https://github.com/google/error-prone/issues/3301), [#&#8203;3843](https://github.com/google/error-prone/issues/3843), [#&#8203;3903](https://github.com/google/error-prone/issues/3903), [#&#8203;3918](https://github.com/google/error-prone/issues/3918), [#&#8203;3923](https://github.com/google/error-prone/issues/3923), [#&#8203;3931](https://github.com/google/error-prone/issues/3931), [#&#8203;3945](https://github.com/google/error-prone/issues/3945), [#&#8203;3946](https://github.com/google/error-prone/issues/3946)

**Full Changelog**: https://github.com/google/error-prone/compare/v2.19.1...v2.20.0

</details>

---

### Configuration

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---

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---

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1 files changed, 1 insertions, 1 deletions

diff --git a/jgvariant-parent/pom.xml b/jgvariant-parent/pom.xml
index 2f6cb75..905a564 100644
--- a/jgvariant-parent/pom.xml
+++ b/jgvariant-parent/pom.xml
@@ -69,7 +69,7 @@ SPDX-License-Identifier: LGPL-3.0-or-later
     <versions-plugin.version>2.16.0</versions-plugin.version>
 
     <apiguardian.version>1.1.2</apiguardian.version>
-    <errorprone.version>2.19.1</errorprone.version>
+    <errorprone.version>2.20.0</errorprone.version>
     <google-java-format.version>1.15.0</google-java-format.version>
     <inject-resources.version>0.3.3</inject-resources.version>
     <jetbrains-annotations.version>24.0.1</jetbrains-annotations.version>