Bumped some versions -- most importantly log4j2 version

build.gradle

@@ -1,19 +1,19 @@
 
 buildscript {
     ext {
-        junit5Version = '5.7.2' // https://junit.org/junit5/
-        junit5PlatformVersion = '1.7.2'
+        junit5Version = '5.8.2' // https://junit.org/junit5/
+        junit5PlatformVersion = '1.8.2'
 
         slf4jVersion = '1.7.32' // http://www.slf4j.org/download.html
-        log4jVersion = '2.14.1' // https://logging.apache.org/log4j/2.x/javadoc.html
+        log4jVersion = '2.15.0' // https://logging.apache.org/log4j/2.x/javadoc.html
         // https://github.com/FasterXML/jackson/wiki/Jackson-Releases
         jacksonVersion = '2.13.0' // https://github.com/FasterXML/jackson-databind/releases
         // retrofit is why we need allow-opens. context: https://stackoverflow.com/questions/60915381/retrofit2-maven-project-illegal-reflective-access-warning // https://github.com/square/retrofit/issues/3341
         retrofitVersion = "2.9.0" // https://github.com/square/retrofit/releases
         shadowVersion = '7.1.0' // https://github.com/johnrengelman/shadow/releases // only works on gradle 7
 //        ioLibVersion = '2.1.0' // https://github.com/retrodaredevil/io-lib/releases
         ioLibVersion = 'cc13e29d6d'
-        okhttpVersion = "4.9.2" // https://mvnrepository.com/artifact/com.squareup.okhttp3/okhttp
+        okhttpVersion = "4.9.3" // https://mvnrepository.com/artifact/com.squareup.okhttp3/okhttp
         couchdbJavaVersion = 'c109c8ead8'
         dockerComposePluginVersion = "0.14.3"
     }

other/docs/todo.md

@@ -74,9 +74,6 @@ and also react to messages that have been fully processed (request successfully
 * Possibly rename graphql program to rest program
 * Make monitor-service only start after WiFi has kicked in
 * Have a request node be able to upload packets if the clock on the device is off by a decent margin
-* Automation that sends a command to each program that accepts commands.
-  * When processed, these commands will upload an informational message to CouchDB (solarthing-events)
-  * Automation will send an alert if no informational message was found after 15 seconds of sending the command
 
 ### Completed
 * Provide option/configuration for multiple MATEs (maybe using multiple databases with an id at the end? i.e.: solarthing-1, solarthing-2 or commands-1, commands-2)
@@ -132,6 +129,10 @@ easy displaying in Grafana
 * Create button/widget on Grafana that sends an encrypted command to shut off the generator
   * Did this by creating the `/command/run` endpoint and using [cloudspout-button-panel](https://github.com/cloudspout/cloudspout-button-panel/)
   * Not perfect: Requires making a dashboard private to avoid exposing API key to users that are not logged in
+* Automation that sends a command to each program that accepts commands.
+  * Done using heartbeats
+  * Alerting could be faster if we had the automation program monitor for a heartbeat request that didn't go through
+  but for now just a heartbeat being absent after its expected duration is good enough
 
 ### Look into
 * Look into supporting Elasticsearch, MongoDB, Graphite