Update orbs and add Java15

Author: alysbrooks

.circleci/config.yml

@@ -1,8 +1,8 @@
 version: 2.1
 
 orbs:
-  kaocha: lambdaisland/kaocha@dev:first
-  clojure: lambdaisland/clojure@dev:first
+  kaocha: lambdaisland/kaocha@0.0.1
+  clojure: lambdaisland/clojure@0.0.2
 
 commands:
   checkout_and_run:
@@ -19,21 +19,36 @@ commands:
       - kaocha/upload_codecov
 
 jobs:
+  java-15-clojure-1_10:
+    executor: clojure/openjdk15
+    steps: [{checkout_and_run: {clojure_version: "1.10.2"}}]
+
   java-11-clojure-1_10:
     executor: clojure/openjdk11
-    steps: [{checkout_and_run: {clojure_version: "1.10.0-RC2"}}]
+    steps: [{checkout_and_run: {clojure_version: "1.10.2"}}]
 
+  java-9-clojure-1_10:
+    executor: clojure/openjdk9
+    steps: [{checkout_and_run: {clojure_version: "1.10.2"}}]
+    
   java-9-clojure-1_9:
     executor: clojure/openjdk9
     steps: [{checkout_and_run: {clojure_version: "1.9.0"}}]
 
-  java-8-clojure-1_8:
+  java-8-clojure-1_10:
     executor: clojure/openjdk8
-    steps: [{checkout_and_run: {clojure_version: "1.8.0"}}]
+    steps: [{checkout_and_run: {clojure_version: "1.10.2"}}]
+    
+  java-8-clojure-1_9:
+    executor: clojure/openjdk8
+    steps: [{checkout_and_run: {clojure_version: "1.9.0"}}]
 
 workflows:
   kaocha_test:
     jobs:
+      - java-15-clojure-1_10
       - java-11-clojure-1_10
+      - java-9-clojure-1_10
       - java-9-clojure-1_9
-      - java-8-clojure-1_8
+      - java-8-clojure-1_10
+      - java-8-clojure-1_9