docs: clarify that we support the latest minor for the stable lines we support (#22613)

* docs: clarify that we support the latest minor for the stable lines we support

* Update docs/tutorial/support.md

Co-Authored-By: Mark Lee <[email protected]>

Co-authored-by: Mark Lee <[email protected]>

docs/tutorial/support.md

@@ -34,8 +34,10 @@ tools and resources.
 ## Supported Versions
 
 The latest three *stable* major versions are supported by the Electron team.
-For example, if the latest release is 6.x.y, then the 5.x.y as well
-as the 4.x.y series are supported.
+For example, if the latest release is 6.1.x, then the 5.0.x as well
+as the 4.2.x series are supported.  We only support the latest minor release
+for each stable release series.  This means that in the case of a security fix
+6.1.x will receive the fix, but we will not release a new version of 6.0.x.
 
 The latest stable release unilaterally receives all fixes from `master`,
 and the version prior to that receives the vast majority of those fixes
@@ -48,9 +50,9 @@ basis for some older supported lines. All contested decisions around release
 line backports will be resolved by the [Releases Working Group](https://github.com/electron/governance/tree/master/wg-releases) as an agenda item at their weekly meeting the week the backport PR is raised.
 
 ### Currently supported versions
-- 8.x.y
-- 7.x.y
-- 6.x.y
+- 8.1.x
+- 7.1.x
+- 6.1.x
 
 ### End-of-life