Testing: Update CHANGES.txt and RELEASE.txt for packaging tar bz2 and xz tests updates and GitHub workflow changes on Windows.

Author: jcbrill

CHANGES.txt

@@ -74,6 +74,13 @@ RELEASE  VERSION/DATE TO BE FILLED IN LATER
     - Testing: Increase the default timeout from 20 seconds to 60
       seconds in the testing framework wait_for method.  At present, the
       wait_for method is only used for the interactive tests.
+    - GitHub: Remove the packaging tar xz test from the windows ci skip file.
+    - Testing: Update the packaging tar bz2 and xz tests on on Windows.
+      Detect if the tar bz2 and xz formats are supported for the windows
+      system tar executable using the reported version string.  The packaging
+      tar bz2 and xz tests should be skipped on Windows 10 and GitHub
+      windows-2022. The packaging tar bz2 and xz tests should be run on
+      Windows 11 and GitHub windows-2025.
 
   From Edward Peek:
     - Fix the variant dir component being missing from generated source file

RELEASE.txt

@@ -146,6 +146,8 @@ DEVELOPMENT
 
 - GitHub: Enable the interactive tests on windows.
 
+- GitHub: Enable the packaging tar xz test on windows.
+
 - GitHub: Exclude two ninja tests that consistently fail on MacOS in
   the experimental tests workflow.
 
@@ -165,6 +167,11 @@ DEVELOPMENT
   in the testing framework wait_for method. The timeout was increased
   during isolated experiments of the interactive tests on windows.
 
+- Testing: Update the packaging tar bz2 and xz tests on on Windows.
+  The packaging tar bz2 and xz tests should be skipped on Windows 10
+  and GitHub windows-2022. The packaging tar bz2 and xz tests should
+  be run on Windows 11 and GitHub windows-2025.
+
 - Ninja: Increase the number of generated source files in the
   iterative speedup test from 200 to 250.  Increasing the workload
   should reduce the likelihood that the ninja tests are slower.