See gh-24946

Closes gh-24932

Closes gh-24933

Closes gh-24592

Closes gh-24934

Closes gh-24959

Closes gh-24958

Closes gh-24957

Closes gh-24956

Closes gh-24955

Closes gh-24954

Closes gh-24953

Closes gh-24952

Closes gh-24937

Closes gh-24949

Update `CompositeHandlerMapping` so that the `usesPathPatterns()` method
returns `true` if any of the delegate mappings return `true`.

Closes gh-24877

Closes gh-24931

Closes gh-24935

In preparation to the upgrade to Spring Data 2021.0, this commit removes
auto-configuration for Spring Data Solr.

Closes gh-24939

See gh-24943

See gh-24943

See gh-24942

Closes gh-24943

Closes gh-24942

Closes gh-24930

Closes gh-24929

Closes gh-24928

Closes gh-24927

Closes gh-24926

Closes gh-24925

Closes gh-24924

Closes gh-24923

Closes gh-24922

Closes gh-24921

Closes gh-24920