Bump github.com/zmap/dns from 1.1.69 to 1.1.70

[dependabot[bot]]

Bumps github.com/zmap/dns from 1.1.69 to 1.1.70.

Release notes

Sourced from github.com/zmap/dns's releases.

v1.1.70

Merge upstream changes and align with miekg's v1.1.70 release.

Commits

• 55efb65 Merge pull request #76 from zmap/sync-upstream-20260112
• 80d4248 Merge remote-tracking branch 'upstream/master'
• 0fe8a51 Merge pull request #73 from zmap/sync-upstream-20260109
• ad3cffe Release 1.1.70
• 479abee stringToTTL: error when overflowing uint32 (#1698)
• 9649701 Merge remote-tracking branch 'upstream/master'
• 9516b49 Bump the all group with 4 updates (#1695)
• a1df556 Merge pull request #71 from zmap/sync-upstream-20251217
• 0a15ca0 Merge pull request #72 from zmap/sync-upstream-20251218
• c5e0d23 Merge remote-tracking branch 'upstream/master'
• Additional commits viewable in compare view

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