Document bridge test results params in assignments file

See merge request tpo/network-health/metrics/website!71

Rename 'Blocked in' to 'Not distributed in'

Closes #40109

See merge request tpo/network-health/metrics/website!70

Using 'Blocked in' might give the idea that the bridges get actively
tested in the respective countries and therefore deemed to be blocked.
However, that's not the case. Right now we just don't distribute them
e.g. because we heard them to be blocked at some point.

Closes: #40109.

Closes: #40103.

arithmetical overflow that we account already partially a few line
before in the code.

Resolve "Missing data for bridge users in China (and other countries)"

Closes #40103

See merge request tpo/network-health/metrics/website!67

Resolve "Details API returning undocumented `contact` for bridges"

Closes #40106

See merge request tpo/network-health/metrics/website!68

Lock tables in shared mode so that only one transaction can modify the table.
Multiple transaction can still read from tables.

Fix bridgedb-metrics entry on collector.html

Closes #40086

See merge request tpo/network-health/metrics/website!65

Closes: #40105.

Default to no pluggable transport on advanced search

Closes #40101

See merge request tpo/network-health/metrics/website!63

Closes #40092.

Follow-up for #40093.

Update metrics-base

See merge request tpo/network-health/metrics/website!62

Remove tormap.void.gr link as it's broken

Closes #40094

See merge request tpo/network-health/metrics/website!59

Showing OR addresses as exit addresses is a feature

Closes #40096

See merge request tpo/network-health/metrics/website!60

Resolve "search by transport"

Closes #40093

See merge request tpo/network-health/metrics/website!55