Make package-vc-install-from-checkout NAME argument optional

* lisp/emacs-lisp/package-vc.el (package-vc-install-from-checkout):
Allow nil NAME; update documentation.  (Bug#66393)
10 jobs for master in 135 minutes and 13 seconds (queued for 6 seconds)
Status Job ID Name Coverage
  Build Images
failed #75231
build-image-inotify

00:03:25

 
  Normal
skipped #75232
test-all-inotify
 
  Platform Images
passed #75233
build-image-eglot

01:00:03

failed #75235
build-image-gnustep

00:21:34

failed #75234
build-image-tree-sitter

00:03:25

 
  Platforms
passed #75236
test-eglot

00:01:51

skipped #75238
test-gnustep
skipped #75237
test-tree-sitter
 
  Native Comp Images
passed #75239
build-native-comp-speed2

01:10:29

 
  Native Comp
failed #75240
test-native-comp-speed2

01:04:38

 
Name Stage Failure
failed
test-native-comp-speed2 Native Comp
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
$ find ${test_name} -type d -depth -exec rmdir {} + 2>/dev/null
Uploading artifacts...
test-native-comp-speed2-35205f19/: found 531 matching files
Uploading artifacts to coordinator... ok
id=75240 responseStatus=201 Created token=t1ejzXst
Uploading artifacts...
test-native-comp-speed2-35205f19/junit-test-report.xml: found 1 matching files

Uploading artifacts to coordinator... ok
id=75240 responseStatus=201 Created token=t1ejzXst
ERROR: Job failed: exit code 2
failed
build-image-gnustep Platform Images
executor failed running [/bin/sh -c make bootstrap]: exit code: 2
Running after_script
Running after script...
$ test -n "$(docker ps -aq -f name=${test_name})" && docker cp ${test_name}:checkout/test ${test_name}
$ test -n "$(docker ps -aq -f name=${test_name})" && docker rm ${test_name}
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
find: build-image-gnustep-35205f19: No such file or directory
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1

failed
build-image-inotify Build Images
 > [internal] load build context:
------
rpc error: code = Unavailable desc = transport is closing
Running after script...
$ test -n "$(docker ps -aq -f name=${test_name})" && docker cp ${test_name}:checkout/test ${test_name}
$ test -n "$(docker ps -aq -f name=${test_name})" && docker rm ${test_name}
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
find: build-image-inotify-35205f19: No such file or directory
ERROR: Job failed: exit code 1
failed
build-image-tree-sitter Platform Images
 > [internal] load build context:
------
rpc error: code = Unavailable desc = transport is closing
Running after script...
$ test -n "$(docker ps -aq -f name=${test_name})" && docker cp ${test_name}:checkout/test ${test_name}
$ test -n "$(docker ps -aq -f name=${test_name})" && docker rm ${test_name}
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
find: build-image-tree-sitter-35205f19: No such file or directory
ERROR: Job failed: exit code 1