Bump deps/curl from `b4d73e6` to `1c4813c`

[dependabot[bot]]

Bumps deps/curl from b4d73e6 to 1c4813c.

Commits

• 1c4813c mbedtls: send close-notify on close
• 0c4b4c1 mbedtls: check version for cipher id
• ca8cb24 cmake: fix building with both md4 and md5 in unity mode
• 4cc5657 docs/Makefile.am: make curl-config.1 install
• ac68a2d GHA: bump actions/checkout from 4.1.4 to 4.1.6
• 5a913d8 pytest: add ftp upload tests
• f867942 test: add test1546, chunked not last transfer encoding
• 5e403df test: add test1484, for HEAD with content
• e4384b5 RELEASE-NOTES: synced
• d13a3a6 (lib)curl.rc: set debug flag also for CURLDEBUG and UNITTESTS
• Additional commits viewable in compare view

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