README: Update LLNL release number to Apache-2.0/MIT version (spack#17109)

tgamblin · web-flow · commit e5066664ab6f · 2020-06-15T17:10:49.000-07:00
The release number in the README had not been updated since we did the
relicense to Apache-2.0 OR MIT in v0.12.0. LLNL-CODE-811652 is Spack's
new LLNL release number.
diff --git a/README.md b/README.md
@@ -122,4 +122,4 @@ See [LICENSE-MIT](https://github.com/spack/spack/blob/develop/LICENSE-MIT),
 
 SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
-LLNL-CODE-647188
+LLNL-CODE-811652

Original file line number	Diff line number	Diff line change
`@@ -122,4 +122,4 @@ See [LICENSE-MIT](https://github.com/spack/spack/blob/develop/LICENSE-MIT),`
`122`	`122`
`123`	`123`	`SPDX-License-Identifier: (Apache-2.0 OR MIT)`
`124`	`124`
`125`		`-LLNL-CODE-647188`
	`125`	`+LLNL-CODE-811652`