Sync with 'master'

Author: gitster

Documentation/RelNotes/2.40.0.txt

@@ -46,6 +46,9 @@ UI, Workflows & Features
  * "git rebase" often ignored incompatible options instead of
    complaining, which has been corrected.
 
+ * "scalar" warns but continues when its periodic maintenance
+   feature cannot be enabled.
+
 
 Performance, Internal Implementation, Development Support etc.
 
@@ -204,6 +207,10 @@ Fixes since v2.39
    the ssh agent in the codepath to sign with an ssh key.
    (merge dce7b31126 as/ssh-signing-improve-key-missing-error later to maint).
 
+ * Adjust "git request-pull" to strip embedded signature from signed
+   tags to notice non-PGP signatures.
+   (merge a9cad02538 gm/request-pull-with-non-pgp-signed-tags later to maint).
+
  * Other code cleanup, docfix, build fix, etc.
    (merge 77e04b2ed4 rs/t4205-do-not-exit-in-test-script later to maint).
    (merge faebba436e rs/plug-pattern-list-leak-in-lof later to maint).
@@ -237,3 +244,4 @@ Fixes since v2.39
    (merge 5458ba0a4d tb/t0003-invoke-dd-more-portably later to maint).
    (merge 70661d288b ar/markup-em-dash later to maint).
    (merge e750951e74 en/ls-files-doc-update later to maint).
+   (merge 4f542975d1 mh/doc-credential-cache-only-in-core later to maint).