message: Fix incorrect uses of "relationship" instead of "relation" in filtering docs
diff: @@ -32,13 +32,13 @@ interface FindRecord extends QueryExpression {
  interface FindRelatedRecord extends QueryExpression {
  op: 'findRelatedRecord';
  record: RecordIdentity;
  - relationship: string;
  + relation: string;
  }
  interface FindRelatedRecords extends QueryExpression {
  op: 'findRelatedRecords';
  record: RecordIdentity;
  - relationship: string;
  + relation: string;
  sort?: SortSpecifier[];
  filter?: FilterSpecifier[];
  page?: PageSpecifier;
  @@ -278,7 +278,7 @@ Filtering on a `hasOne` relationship:
  ```typescript
  const moonsOfJupiter = orbit.cache.query((q) => {
  return q.findRecords('moon')
  - .filter({ relationship: 'planet', op: 'equal', record: { type: 'planet', id: 'jupiter' } })
  + .filter({ relation: 'planet', op: 'equal', record: { type: 'planet', id: 'jupiter' } })
  })
  ```
  @@ -288,13 +288,15 @@ Filtering on a `hasMany` relationship:
  const theSolarSystem = orbit.cache.query((q) => {
  return q.findRecords('planetarySystem')
  .filter({
  - relationship: 'planets',
  + relation: 'planets',
  op: 'some',
  records: [{ type: 'planet', id: 'earth' }]
  })
  })
  ```
  +Note that the filter is on a relationship but the key in the filter is `relation`.
  +
  Filtering on a `hasOne` relationship has different comparison operations available than filtering on a `hasMany` relationship.
  `hasOne` operations:
  