Fix examples build (#4431)

Author: trask

examples/distro/build.gradle

@@ -8,10 +8,10 @@ subprojects {
 
   ext {
     versions = [
-      opentelemetry              : "1.6.0",
-      opentelemetryAlpha         : "1.6.0-alpha",
-      opentelemetryJavaagent     : "1.7.0-SNAPSHOT",
-      opentelemetryJavaagentAlpha: "1.7.0-alpha-SNAPSHOT",
+      opentelemetry              : "1.7.0",
+      opentelemetryAlpha         : "1.7.0-alpha",
+      opentelemetryJavaagent     : "1.8.0-SNAPSHOT",
+      opentelemetryJavaagentAlpha: "1.8.0-alpha-SNAPSHOT",
       bytebuddy                  : "1.10.18",
       guava                      : "30.1-jre"
     ]

examples/extension/build.gradle

@@ -21,10 +21,10 @@ version '1.0'
 
 ext {
   versions = [
-    opentelemetry              : "1.6.0",
-    opentelemetryAlpha         : "1.6.0-alpha",
-    opentelemetryJavaagent     : "1.7.0-SNAPSHOT",
-    opentelemetryJavaagentAlpha: "1.7.0-alpha-SNAPSHOT",
+    opentelemetry              : "1.7.0",
+    opentelemetryAlpha         : "1.7.0-alpha",
+    opentelemetryJavaagent     : "1.8.0-SNAPSHOT",
+    opentelemetryJavaagentAlpha: "1.8.0-alpha-SNAPSHOT",
   ]
 
   deps = [