nghttp2 v1.57.0

What's Changed

• Fixes CVE-2023-44487
• Bump ngtcp2 by @tatsuhiro-t in #1944
• Add dependabot to update actions by @tatsuhiro-t in #1946
• Bump golang.org/x/net to v0.15.0 by @tatsuhiro-t in #1950
• Bump actions/setup-go from 3 to 4 by @dependabot in #1948
• Bump actions/checkout from 3 to 4 by @dependabot in #1949
• Bump actions/upload-artifact from 1 to 3 by @dependabot in #1947
• docker: Bump base image to debian 12 by @tatsuhiro-t in #1951
• nghttpx: Header field name must be lowercase by @tatsuhiro-t in #1953
• Bump quictls by @tatsuhiro-t in #1945
• Apps fix by @tatsuhiro-t in #1957
• nghttpx: Fix bug that --single-process does not work by @tatsuhiro-t in #1958
• Fix clang-format by @tatsuhiro-t in #1959
• Rework session management by @tatsuhiro-t in #1961

New Contributors

• @dependabot made their first contribution in #1948

Full Changelog: v1.56.0...v1.57.0