Fixed some problems with Entity and Context in comments

[spericas]

See #1179.

[spericas]

@NicoNes

[NicoNes]

@spericas What about these ones ?

• https://github.com/jakartaee/rest/blob/release-4.0/jaxrs-api/src/main/java/jakarta/ws/rs/core/Application.java#L30
• https://github.com/jakartaee/rest/blob/release-4.0/jaxrs-api/src/main/java/jakarta/ws/rs/core/Configuration.java#L36

[spericas]

@spericas What about these ones ?

• https://github.com/jakartaee/rest/blob/release-4.0/jaxrs-api/src/main/java/jakarta/ws/rs/core/Application.java#L30
• https://github.com/jakartaee/rest/blob/release-4.0/jaxrs-api/src/main/java/jakarta/ws/rs/core/Configuration.java#L36

@NicoNes Fixed those and a couple more, thx.

[spericas]

Needs more approvals please @jansupol @mkarg @jim-krueger

[spericas]

Please update Copyright dates on all files. Otherwise LGTM.

Done, thanks.