* fix: filter out falsy integration from telemetry
Falsy integrations are now ignored in `@astrojs/telemetry`
This error should no longer occur,
```ts
error Cannot read properties of null (reading 'name')
at file:///workspaces/bundle/node_modules/.pnpm/@astrojs+telemetry@0.1.2/node_modules/@astrojs/telemetry/dist/events/session.js:53:117
...
```
* ci: add tests for optional integrations
* ci: add changeset
* fix(@astrojs/telemetry): count number of optional integrations in use
* ci: add test for counting the total number of optional integrations in use
* ci: update changeset
* chore: make the changes @tony-sull sugested
* revert(@astrojs/webapi): mod.d.ts -> a4c78b5: [ci] format
* ci: remove `@astrojs/webapi` patch change
* chore(@astrojs/telemetry): remove totalIntegrations payload field
* fix(@astrojs/telemetry): add optional integrations field
* ci: add changeset
