chore(deps): bump httpclient from 4.5.12 to 4.5.13 (#25)

Bumps httpclient from 4.5.12 to 4.5.13.

---
updated-dependencies:
- dependency-name: org.apache.httpcomponents:httpclient
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -87,7 +87,7 @@
 		<commons.collections4.version>4.4</commons.collections4.version>
 		<commons-codec.version>1.14</commons-codec.version>
 		<google.guava.version>30.1-jre</google.guava.version>
-		<httpclient.version>4.5.12</httpclient.version>
+		<httpclient.version>4.5.13</httpclient.version>
 		<javax.servlet.version>2.5</javax.servlet.version>
 		<springframework.version>5.2.9.RELEASE</springframework.version>
 		<io.leonard-base58.version>0.0.2</io.leonard-base58.version>