chore(deps): bump golang.org/x/net from 0.49.0 to 0.51.0

[dependabot]

Bumps golang.org/x/net from 0.49.0 to 0.51.0.

Commits

• 60b3f6f internal/http3: prevent Server handler from writing longer body than declared
• b0ca456 internal/http3: fix Write in Server Handler returning the wrong value
• 1558ba7 publicsuffix: update to 2026-02-06
• 4e1c745 internal/http3: make Server response include headers that can be inferred
• 19f580f http2: fix nil panic in typeFrameParser for unassigned frame types
• 818aad7 internal/http3: add server to client trailer header support
• c1bbe1a internal/http3: add client to server trailer header support
• 29181b8 all: remove go1.25 and older build constraints
• 8109305 all: upgrade go directive to at least 1.25.0 [generated]
• 0b37bdf quic: don't run TestStreamsCreateConcurrency in synctest bubble
• Additional commits viewable in compare view

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[github-actions]

✅MegaLinter analysis: Success

Descriptor	Linter	Files	Fixed	Errors	Warnings	Elapsed time
✅ ACTION	actionlint	4		0	0	0.28s
✅ API	spectral	2		0	0	4.63s
✅ COPYPASTE	jscpd	yes		no	no	1.97s
✅ DOCKERFILE	hadolint	1		0	0	0.08s
✅ GO	golangci-lint	yes	yes	no	no	36.93s
✅ GO	revive	yes		no	no	0.02s
✅ MARKDOWN	markdownlint	2	0	0	0	0.7s
✅ MARKDOWN	markdown-table-formatter	2	0	0	0	0.28s
✅ REPOSITORY	checkov	yes		no	no	30.28s
✅ REPOSITORY	gitleaks	yes		no	no	0.22s
✅ REPOSITORY	git_diff	yes		no	no	0.01s
✅ REPOSITORY	grype	yes		no	no	30.01s
✅ REPOSITORY	secretlint	yes		no	no	0.38s
✅ REPOSITORY	syft	yes		no	no	1.41s
✅ REPOSITORY	trivy	yes		no	no	6.23s
✅ REPOSITORY	trivy-sbom	yes		no	no	1.41s
✅ REPOSITORY	trufflehog	yes		no	no	2.11s
✅ SPELL	lychee	12		0	0	0.34s
✅ YAML	prettier	10	0	0	0	0.9s
✅ YAML	v8r	10		0	0	7.16s
✅ YAML	yamllint	10		0	0	0.87s

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• Command: npx mega-linter-runner@9.3.0 --custom-flavor-setup --custom-flavor-linters ACTION_ACTIONLINT,API_SPECTRAL,COPYPASTE_JSCPD,DOCKERFILE_HADOLINT,GO_GOLANGCI_LINT,GO_REVIVE,MARKDOWN_MARKDOWNLINT,MARKDOWN_MARKDOWN_TABLE_FORMATTER,REPOSITORY_CHECKOV,REPOSITORY_GIT_DIFF,REPOSITORY_GITLEAKS,REPOSITORY_GRYPE,REPOSITORY_SECRETLINT,REPOSITORY_SYFT,REPOSITORY_TRIVY,REPOSITORY_TRIVY_SBOM,REPOSITORY_TRUFFLEHOG,SPELL_LYCHEE,YAML_PRETTIER,YAML_YAMLLINT,YAML_V8R