doc: correct typos in security release process

- Double word "the"
- offical -> official
- annoucement -> announcement

doc/guides/security_release_process.md

@@ -19,7 +19,7 @@ a security release.
 * [ ] Co-ordinate with the Release team members to line up one or more releasers
   to do the releases on the agreed date.
 
-* [ ] Prep for the pre-security announcement and final security annoucement by
+* [ ] Prep for the pre-security announcement and final security announcement by
   getting agreement on drafts following the
   [security_announcement_process](https://github.com/nodejs/security-wg/blob/master/processes/security_annoucement_process.md).
 
@@ -50,7 +50,7 @@ a security release.
 
 * [ ] Co-ordinate with the Release team members and keep up to date on progress.
   Get an guesstimate of when releases may be ready and send an FYI to the docker
-  offical image
+  official image
   [maintainers](https://github.com/docker-library/official-images/blob/master/MAINTAINERS).
 
 * [ ] When the releases are promoted, ensure the final announce goes out as per
@@ -85,7 +85,7 @@ a security release.
   [cve_management_process](https://github.com/nodejs/security-wg/blob/master/processes/cve_management_process.md).
 
 * [ ] Ensure that the announced CVEs are updated in the cve-management
-  repository as per the the
+  repository as per the
   [cve_management_process](https://github.com/nodejs/security-wg/blob/master/processes/cve_management_process.md)
   so that they are listed under Announced.