Updates jcabi-github to 1.1.2

pom.xml

@@ -31,7 +31,7 @@
 		<java.version>1.8</java.version>
 
 		<spring-cloud-bom.version>Hoxton.SR6</spring-cloud-bom.version>
-		<jcabi-github.version>1.0</jcabi-github.version>
+		<jcabi-github.version>1.1.2</jcabi-github.version>
 		<jsch-agent.version>0.0.9</jsch-agent.version>
 		<hibernate-validator.version>5.4.1.Final</hibernate-validator.version>
 		<org.eclipse.jgit-version>5.1.3.201810200350-r</org.eclipse.jgit-version>

releaser-core/src/main/java/releaser/internal/github/CachingGithub.java

@@ -180,6 +180,11 @@ class CachingRepos implements Repos, Closeable {
 		return this.delegate.iterate(s);
 	}
 
+	@Override
+	public boolean exists(Coordinates coords) throws IOException {
+		return this.delegate.exists(coords);
+	}
+
 	@Override
 	public boolean equals(Object o) {
 		return this.delegate.equals(o);