chore: update TypeScript to 5.5 (#11906)

* chore: update TypeScript to 5.5

* adjust api report file path

* Clean up Prettier, Size-limit, and Api-Extractor

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Co-authored-by: phryneas <phryneas@users.noreply.github.com>

Author: phryneas

.api-reports/api-report-cache.md .api-reports/api-report-cache.api.md.api-reports/api-report-cache.md renamed to .api-reports/api-report-cache.api.md

@@ -1801,7 +1801,7 @@ class QueryManager<TStore> {
     getQueryStore(): Record<string, QueryStoreValue>;
     // (undocumented)
     protected inFlightLinkObservables: Trie<{
-        observable?: Observable<FetchResult<any>> | undefined;
+        observable?: Observable<FetchResult<any>>;
     }>;
     // (undocumented)
     link: ApolloLink;