Introduce Gerrit v3.7.8 and warn of not using 3.7.7

Add release notes of Gerrit v3.7.8 and discourage the use
of v3.7.7 due to the accidental revert of JGit to an earlier
SHA1.

Change-Id: Ic7fd755919e1b1fcac9d2ccc5bb8e90b9b09d331
diff --git a/pages/site/releases/3.7.md b/pages/site/releases/3.7.md
index 4872d7c..04f576b 100644
--- a/pages/site/releases/3.7.md
+++ b/pages/site/releases/3.7.md
@@ -6,7 +6,8 @@
 toc: true
 ---
 
-Download: **[3.7.7](https://gerrit-releases.storage.googleapis.com/gerrit-3.7.7.war)**
+Download: **[3.7.8](https://gerrit-releases.storage.googleapis.com/gerrit-3.7.8.war)**
+| [3.7.7](https://gerrit-releases.storage.googleapis.com/gerrit-3.7.7.war) (*DO NOT USE*)
 | [3.7.6](https://gerrit-releases.storage.googleapis.com/gerrit-3.7.6.war)
 | [3.7.5](https://gerrit-releases.storage.googleapis.com/gerrit-3.7.5.war)
 | [3.7.4](https://gerrit-releases.storage.googleapis.com/gerrit-3.7.4.war)
@@ -15,7 +16,8 @@
 | [3.7.1](https://gerrit-releases.storage.googleapis.com/gerrit-3.7.1.war)
 | [3.7.0](https://gerrit-releases.storage.googleapis.com/gerrit-3.7.0.war)
 
-Documentation: **[3.7.7](https://gerrit-documentation.storage.googleapis.com/Documentation/3.7.7/index.html)**
+Documentation: **[3.7.8](https://gerrit-documentation.storage.googleapis.com/Documentation/3.7.8/index.html)**
+| [3.7.7](https://gerrit-documentation.storage.googleapis.com/Documentation/3.7.7/index.html) (*DO NOT USE*)
 | [3.7.6](https://gerrit-documentation.storage.googleapis.com/Documentation/3.7.6/index.html)
 | [3.7.5](https://gerrit-documentation.storage.googleapis.com/Documentation/3.7.5/index.html)
 | [3.7.4](https://gerrit-documentation.storage.googleapis.com/Documentation/3.7.4/index.html)
@@ -542,7 +544,53 @@
 
 ## Bugfix releases
 
-### 3.7.7
+### 3.7.8
+
+* Bug Fixes
+
+  * [Change 411279](https://gerrit-review.googlesource.com/c/gerrit/+/411279):
+  Fix change staleness check for changes with drafts and stars
+
+  * [Change 410917](https://gerrit-review.googlesource.com/c/gerrit/+/410917):
+  Fix copy-approvals for cases where current approvals have different values when normalized.
+
+  * [Change 410317](https://gerrit-review.googlesource.com/c/gerrit/+/410317):
+  Fix change id parsing in SSH commands.
+
+* Dependency Updates
+
+  * [Change 410743](https://gerrit-review.googlesource.com/c/gerrit/+/391575):
+  Update JGit to acf21c0bc which was missed in v3.7.7.
+
+    You can retrieve the full list of changes with:
+
+    ```shell
+    git log --no-merges --format=oneline 74fa245b3..acf21c0bc
+    ```
+
+    notable changes are:
+
+      * acf21c0bc RefDirectory: Do not unlock until after deleting loose ref
+      * 29c89d1f0 SnapshottingRefDirectory: Invalidate snapshot after locking ref for update
+      * 747618358 Improve handling of NFS stale handle errors
+      * ca54c5176 Fix handling of missing pack index file
+      * b4c66104f Introduce a PriorityQueue sorting RevCommits by commit timestamp
+      * e712b4716 Make sure ref to prune is in packed refs
+      * 170244d05 Checkout: better directory handling
+      * 244165fc5 Remove unused API problem filters
+      * f103a1d5c Add support for git config repack.packKeptObjects
+      * f5f4bf0ad Do not exclude objects in locked packs from bitmap processing
+      * 3a6eec9bb Express the explicit intention of creating bitmaps in GC
+      * ac8d7838f GC: prune all packfiles after the loosen phase
+      * f6928f573 Revert "RefDirectory: Throw exception if CAS of packed ref list fails"
+      * 6b3b2b33a GraphObjectIndex: fix search in findGraphPosition
+      * 0f7d485bc Remove unused API filters
+      * 43954ea62 [releng] API filter for PackIndex.DEFAULT_WRITE_REVERSE_INDEX
+      * 2c89a3ec7 PackExt: add a #getTmpExtension method
+      * d0564cf8a UploadPack: Record negotiation stats on fetchV2 call
+      * ce88e62ed PackWriter: write the PackReverseIndex file
+
+### 3.7.7 (*DO NOT USE*)
 
 * Breaking changes