ansible: Use HTTP/1.1 for git http operations on Debian bookworm

ansible: Use HTTP/1.1 for git http operations on Debian bookworm

When using HTTP/2 for git operations, git's use of libcurl can result
in deadlocks with libcurl 7.84-8.4 as libcurl may call the read
callback multiple times after EOF.

@see https://lore.kernel.org/git/CAGE_+C5u9H8m5faK1vXKk6QTyjcHgKHqxOZy5ptzsYbF_0yrCQ@mail.gmail.com/
@see https://curl.se/mail/lib-2023-11/0017.html
@see https://github.com/curl/curl/pull/12363

Fixes #1532

Change-Id: I1236d7bc8480c2b8316891b2572ce93f999ff4e4