Docs: indicate Swift support requires macOS

Author: angelapwen

docs/codeql/reusables/supported-versions-compilers.rst

@@ -38,5 +38,5 @@
     .. [7] JSX and Flow code, YAML, JSON, HTML, and XML files may also be analyzed with JavaScript files.
     .. [8] The extractor requires Python 3 to run. To analyze Python 2.7 you should install both versions of Python.
     .. [9] Requires glibc 2.17.
-    .. [10] Support for the analysis of Swift requires macOS or Linux.
+    .. [10] Support for the analysis of Swift requires macOS.
     .. [11] TypeScript analysis is performed by running the JavaScript extractor with TypeScript enabled. This is the default.