feat(sbt): Group dependencies by their variable names (#7410)

lib/manager/sbt/__snapshots__/extract.spec.ts.snap

@@ -26,6 +26,7 @@ Object {
       "currentValue": "1.2.3",
       "datasource": "sbt-package",
       "depName": "com.abc:abc",
+      "groupName": "abcVersion for com.abc",
       "lookupName": "com.abc:abc",
       "registryUrls": Array [
         "https://repo.maven.apache.org/maven2",
@@ -61,6 +62,7 @@ Object {
       "currentValue": "1.2.3",
       "datasource": "sbt-package",
       "depName": "com.abc:abc",
+      "groupName": "abcVersion for com.abc",
       "lookupName": "com.abc:abc",
       "registryUrls": Array [
         "https://repo.maven.apache.org/maven2",
@@ -208,6 +210,7 @@ Object {
       "datasource": "sbt-package",
       "depName": "org.example:grault",
       "depType": "Test",
+      "groupName": "versionExample for org.example",
       "lookupName": "org.example:grault",
       "registryUrls": Array [
         "https://repo.maven.apache.org/maven2",
@@ -345,6 +348,7 @@ Object {
       "datasource": "sbt-package",
       "depName": "org.example:grault",
       "depType": "Test",
+      "groupName": "versionExample for org.example",
       "lookupName": "org.example:grault",
       "registryUrls": Array [
         "https://repo.maven.apache.org/maven2",
@@ -433,6 +437,7 @@ Object {
       "datasource": "sbt-plugin",
       "depName": "com.github.gseitz:sbt-release",
       "depType": "plugin",
+      "groupName": "sbtReleaseVersion for com.github.gseitz",
       "lookupName": "com.github.gseitz:sbt-release",
       "registryUrls": Array [
         "https://repo.maven.apache.org/maven2",

lib/manager/sbt/extract.ts

@@ -176,6 +176,10 @@ function parseDepExpr(
     currentValue,
   };
 
+  if (variables[rawVersion]) {
+    result.groupName = `${rawVersion} for ${groupId}`;
+  }
+
   if (depType) {
     result.depType = depType;
   }