at: Update ChangeLog and NEWS for new release

Signed-off-by: Mark Grant <[email protected]>

ChangeLog

@@ -1,16 +1,22 @@
+2023-10-09 v1.2.3 Mark Grant <[email protected]>
+ * bash: man: Drop .sh extension from scripts in $PATH
+ lxcu: Remove txt2man, rely on txt2manwrap dependencies
+ actions: Remove txt2man, rely on txt2manwrap dependencies
+ actions: Run on focal
+
 2023-07-10 v1.2.2 Mark Grant <[email protected]>
  * bash: Treat cli_extra_args as an array
- pkgdata: Add script pipefail protection
- pkgdata: Use double quotes to prevent globbing and word splitting
- pkgdata: Remove unused variable
- bash: Handle verbose as an array
- bash: Use double quotes to prevent globbing and word splitting
- bash: Remove unused variable
- bash: Silence array to string shellcheck warning
- bash: Use double quotes to prevent globbing and word splitting
- bash: Remove unused variable
- at: Allow for v1.1.1~rc1 version numbering
- lxcu: Add in-file help-text
+ pkgdata: Add script pipefail protection
+ pkgdata: Use double quotes to prevent globbing and word splitting
+ pkgdata: Remove unused variable
+ bash: Handle verbose as an array
+ bash: Use double quotes to prevent globbing and word splitting
+ bash: Remove unused variable
+ bash: Silence array to string shellcheck warning
+ bash: Use double quotes to prevent globbing and word splitting
+ bash: Remove unused variable
+ at: Allow for v1.1.1~rc1 version numbering
+ lxcu: Add in-file help-text
 
 2023-03-29 v1.2.1 Mark Grant <[email protected]>
  * actions: Run on ubuntu-latest

NEWS

@@ -1,3 +1,7 @@
+Release 1.2.3 2023-10-09
+Remove .sh extension from executable scripts in $PATH.
+Technical change information can be found in the ChangeLog file.
+
 Release 1.2.2 2023-07-10
 No user-visible changes.
 Technical change information can be found in the ChangeLog file.