misc merges @miscmerges@x0f.org

[bitcoin-maintainer-tools] Merged PR from Kvaciral: ghwatch: Make links more specific https://github.com/bitcoin-core/bitcoin-maintainer-tools/pull/87

[bitcoin-maintainer-tools] Merged PR from Kvaciral: ghwatch: extract github load from draw function to its own https://github.com/bitcoin-core/bitcoin-maintainer-tools/pull/86

[bitcoin-maintainer-tools] Merged PR from Kvaciral: ghwatch: Notification reason priority sorting https://github.com/bitcoin-core/bitcoin-maintainer-tools/pull/84

[bitcoin-maintainer-tools] Merged PR from Kvaciral: ghwatch: Auto-update metadata repositories https://github.com/bitcoin-core/bitcoin-maintainer-tools/pull/83

[qa-assets] Merged PR from evanbaer: Add fuzz inputs https://github.com/bitcoin-core/qa-assets/pull/49

[bitcoin-maintainer-tools] Merged PR from Kvaciral: ghwatch: Adapt to terminal size changes https://github.com/bitcoin-core/bitcoin-maintainer-tools/pull/82

[qa-assets] Merged PR from MarcoFalke: ci: Bump valgrind timeout https://github.com/bitcoin-core/qa-assets/pull/48

[docs] Merged PR from hebasto: Update instructions due to the Bionic to Focal migration https://github.com/bitcoin-core/docs/pull/71

[btcdeb] Merged PR from kallewoof: typo: sb is tb now https://github.com/bitcoin-core/btcdeb/pull/69

[btcdeb] Merged PR from kallewoof: Taproot https://github.com/bitcoin-core/btcdeb/pull/55

[bitcoin-maintainer-tools] Merged PR from laanwj: Add ghwatch.py script https://github.com/bitcoin-core/bitcoin-maintainer-tools/pull/77