[chore] Commit to Building Collector with latest Go minor version (#1…

…0448)

Change the collector compatibility promise slightly by committing to
building the collector with the latest Go minor version.

README.md

@@ -108,7 +108,7 @@ Support for Go versions on the OpenTelemetry Collector is updated as follows:
 1. The first release after the release of a new Go minor version `N` will add build and tests steps for the new Go minor version.
 2. The first release after the release of a new Go minor version `N` will remove support for Go version `N-2`.
 
-Official OpenTelemetry Collector distro binaries may be built with any supported Go version.
+Official OpenTelemetry Collector distro binaries will be built with a release in the latest Go minor version series.
 
 ## Verifying the images signatures