Have renovate to auto-update weaver dependency (#162)

Author: trask

.github/renovate.json5

@@ -17,5 +17,17 @@
       "matchCurrentVersion": "1.33.0",
       "enabled": false
     }
+  ],
+  "customManagers": [
+    {
+      "customType": "regex",
+      "datasourceTemplate": "docker",
+      "fileMatch": [
+        "^build.gradle.kts$"
+      ],
+      "matchStrings": [
+        "\"(?<depName>otel/weaver):(?<currentValue>[^\"]+)\""
+      ]
+    }
   ]
 }

build.gradle.kts

@@ -60,7 +60,6 @@ nexusPublishing {
 }
 
 // start - define tasks to download, unzip, and generate from opentelemetry/semantic-conventions
-var generatorVersion = "v0.12.0"
 val semanticConventionsRepoZip = "https://github.com/open-telemetry/semantic-conventions/archive/v${semanticConventionsVersion}.zip"
 val schemaUrl = "https://opentelemetry.io/schemas/$semanticConventionsVersion"
 
@@ -109,7 +108,7 @@ fun generateTask(taskName: String, incubating: Boolean) {
         "--mount", "type=bind,source=${modelPath},target=/home/weaver/source,readonly",
         "--mount", "type=bind,source=$projectDir/buildscripts/templates,target=/home/weaver/templates,readonly",
         "--mount", "type=bind,source=$projectDir/$outputDir,target=/home/weaver/target",
-        "otel/weaver:$generatorVersion",
+        "otel/weaver:v0.12.0",
         "registry", "generate",
         "--registry=/home/weaver/source",
         "--templates=/home/weaver/templates",