fix(rel): remove patch suffix (#751)

Patch 0 isn't needed and is not part of our official naming scheme.
Removing these manually now with followup on the source issue later.

## Pull Request approval

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Author: jdpleiness

docs/technical-changelog.mdx

@@ -722,7 +722,7 @@ The following PRs were merged onto the previous release branch but could not be
 
 {/* RSS={"version":"sourcegraph 5 Release 8 Patch 1", "releasedAt": "2024-10-16"} */}
 
-# Sourcegraph 5 Release 8 Patch 0
+# Sourcegraph 5 Release 8
 
 ## v5.8.0
 - [sourcegraph](https://github.com/sourcegraph/sourcegraph/releases/tag/v5.8.0)
@@ -1368,7 +1368,7 @@ The following PRs were merged onto the previous release branch but could not be
 
 {/* RSS={"version":"v5.7.2474", "releasedAt": "2024-09-18"} */}
 
-# Sourcegraph 5 Release 7 Patch 0
+# Sourcegraph 5 Release 7
 
 ## v5.7.0
 - [sourcegraph](https://github.com/sourcegraph/sourcegraph/releases/tag/v5.7.0)
@@ -1858,7 +1858,7 @@ The following PRs were merged onto the previous release branch but could not be
 - [Backport 5.6.x] Fix Cody Web CSS [#64373](https://github.com/sourcegraph/sourcegraph-public-snapshot/pull/64373)
   - Make Cody Web styles more accessible.  Backport 2dd38b3ffd828a1596249c2780ca91bf4bce4bdd from #64370
 
-# Sourcegraph 5 Release 6 Patch 0
+# Sourcegraph 5 Release 6
 
 ## v5.6.0
 - [sourcegraph](https://github.com/sourcegraph/sourcegraph/releases/tag/v5.6.0)