minor typos in documentation

Dear sir or madam,

At: https://git-scm.com/docs/git-commit#git-commit---long

you can read: When doing a dry-run, give the output in a the long-format.

 From my point of view it should read:
When doing a dry-run, give the output in the long-format.

Furthermore in the file: ./Documentation/gitremote-helpers.txt

you can read: As the a push option

It should be changed to: As the push option

Additionally in the file: ./ci/run-windows-build.sh

please change: # Script to trigger the a Git for Windows build and test run.

to: # Script to trigger the Git for Windows build and test run.

And in the file: ./diff.c

change:
  *   1. collect a the minus/plus lines of a diff hunk, divided into

to:
  *   1. collect the minus/plus lines of a diff hunk, divided into

Thanks a lot in advance for fixing these minor typos.