README: clarify supported architectures, remove codeQL cron

Author: docd27

.github/workflows/codeql-analysis.yml

@@ -17,8 +17,8 @@ on:
   pull_request:
     # The branches below must be a subset of the branches above
     branches: [ master ]
-  schedule:
-    - cron: '39 19 * * 5'
+  # schedule:
+  #   - cron: '39 19 * * 5'
 
 jobs:
   CodeQL-Build:

README.md

@@ -30,8 +30,10 @@ This plugin uses binaries from the [Khronos Glslang Validator](https://github.co
 
 They are automatically installed for:
 * Windows 64bit (MSVC 2017)
-* Ubuntu Trusty / Debian amd64 (clang)
 * MacOS x86_64 (clang)
+* Ubuntu Trusty / Debian Buster amd64 (clang)
+* Untested: Other amd64 Linux distros, arm64 MacOS
+
 
 Paths can also be manually provided / overridden with the ``GLSLANG_VALIDATOR``, ``GLSLANG_OPTIMIZER``, ``GLSLANG_CROSS`` environment variables.