repo: upgrade 2.39 -> 2.40

Changelog:
=========
-Don't log spam 'repo sync' by default
-tox: Remove pylint timeout
-Update commit-msg hook
-sync: Fix partial sync false positive
-repo: add repo main script's directory to PYTHONPATH.
-info: Handle undefined mergeBranch
-manifest_xml: support nested submanifests
-repo_logging: Ensure error details are printed
-repo: Use the worktree when checking the repo rev.
-git_superproject: tell git that superproject is bare
-Correctly handle schema-less URIs for remote fetch URL
-main: Log ManifestParseError exception messages
-repo: Remove unreachable code.
-cleanup: Update codebase to expect Python 3.6
-sync: PersistentTransport call parent init
-sync: TeeStringIO write should return int
-Correctly handle schema-less URIs for remote fetch URL
-main: Log ManifestParseError exception messages
-repo: Remove unreachable code.
-cleanup: Update codebase to expect Python 3.6

(From OE-Core rev: d345b1fb98e1e4181004b31996c3483a753b3eb1)

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/repo/repo_2.40.bb

@@ -12,7 +12,7 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=3b83ef96387f14655fc854ddc3c6bd57"
 SRC_URI = "git://gerrit.googlesource.com/git-repo.git;protocol=https;branch=main \
            file://0001-python3-shebang.patch \
            "
-SRCREV = "b99272c601bc5f466c3cfc782bb852c2c967ad27"
+SRCREV = "4c80921d22c20a28d531c9e3e8a0ce4433c6509d"
 
 MIRRORS += "git://gerrit.googlesource.com/git-repo.git git://github.com/GerritCodeReview/git-repo.git"