project: Update gradle dependencies

build.gradle

@@ -44,7 +44,7 @@ ext {
     hamcrest = '2.1'
     httpcore = '4.4.12'
     httpmime = '4.5.10'
-    javassist = '3.25.0-GA'
+    javassist = '3.26.0-GA'
     javax = '1.3.2'
     javaxInject = '1'
     jbsdiff = '1.0'
@@ -68,7 +68,7 @@ ext {
     mongodbDriverSync = '3.11.0'
     mysqlConnectorJava = '8.0.17'
     netty = '4.1.42.Final'
-    okhttp3 = '4.2.0'
+    okhttp3 = '4.2.1'
     orangeExtensions = '1.0'
     petitparser = '2.2.0'
     plexus = '3.2.1'
@@ -78,7 +78,7 @@ ext {
     sisu = '0.3.3'
     slf4j = '1.7.28'
     springJdbc = '5.2.0.RELEASE'
-    springboot = '2.1.8.RELEASE'
+    springboot = '2.1.9.RELEASE'
     sql2o = '1.6.0'
     substance = '8.0.02'
     trident = '1.5.00'