[ci skip] Creating release 2024.6.20. (#333)

Populated templates via:

```
$ python scripts/doc_template_release.py
Linux GitHub Actions Run ID: 9607943395
Windows GitHub Actions Run ID: 9607943396
Coveralls Build ID: 68215528
macOS GitHub Actions Run ID: 9607943397
```

[ci skip] Creating release `2023.7.28`. (#309)

I made sure the templates are populated correctly via:

```
$ python scripts/doc_template_release.py
Linux GitHub Actions Run ID: 5698156661
Windows GitHub Actions Run ID: 5698156662
Coveralls Build ID: 61654285
macOS GitHub Actions Run ID: 5698156663
```

[ci skip] Creating release `2021.2.12`.

I made sure the templates are populated correctly via:

```
$ python scripts/doc_template_release.py
CircleCI Build ID: 1900
AppVeyor Build ID: 1.0.1539.main
Coveralls Build ID: 37113814
Travis Build ID: PLACEHOLDER
```

and then I made **several** manual edits to account for the fact that
the repository still has references to Travis CI around.

[ci skip] Creating release `2020.5.19`.

I made sure the templates are populated correctly via:

```
$ python scripts/doc_template_release.py
CircleCI Build ID: 1800
AppVeyor Build ID: 1.0.1467.master
Coveralls Build ID: 30908847
Travis Build ID: 689100504
```

[ci skip] Creating release `2020.2.3`.

I made sure the templates are populated correctly via:

```
$ python scripts/doc_template_release.py
CircleCI Build ID: 1722
AppVeyor Build ID: 1.0.1404.master
Coveralls Build ID: 28513558
Travis Build ID: 645805500
```

[ci skip] Creating release `2020.1.14`.

I made sure the templates are populated correctly via:

```
$ python scripts/doc_template_release.py
CircleCI Build ID: 1609
AppVeyor Build ID: 1.0.1295.master
Coveralls Build ID: 28100309
Travis Build ID: 636950692
```

**NOTE**: This also means a change from semver to calver.

[ci skip] Creating release `0.11.0`.

I made sure the templates are populated correctly via:

$ python scripts/doc_template_release.py
CircleCI Build ID: 1588
AppVeyor Build ID: 1.0.1269.master
Coveralls Build ID: 28048393
Travis Build ID: 635799581

[ci skip] Fixing incorrect link to Coveralls build.

Also increasing wiggle room for a single test case that is newly
failing on `manylinux`.

This will move the `0.10.0` tag from the previous commit to this
one.

[ci skip] Using `sanitize=true` for GitHub hosted SVGs.

H/T to https://stackoverflow.com/a/16462143/1068170

I made sure the templates are populated correctly via:

$ python scripts/doc_template_release.py
CircleCI Build ID: 1405
AppVeyor Build ID: 1.0.1078.master
Coveralls Build ID: 19821542
Travis Build ID: 448688540

[ci skip] Updated README / docs for release 0.8.0.