Prepare new upstream release 0.5.1

debian/changelog

+pgvector (0.5.1-1) UNRELEASED; urgency=medium
+
+  * New Upstream Release
+    - Features:
+      * Added check for MVCC-compliant snapshot for index scans
+    - Improvements:
+      * Improved performance of HNSW index builds
+
+ -- Bradford D. Boyle <bradford.d.boyle@gmail.com>  Sun, 15 Oct 2023 20:08:58 +0000
+
 pgvector (0.5.0-2) unstable; urgency=medium
 
   * Team upload for PostgreSQL 16.

debian/patches/no-native

 --- a/Makefile
 +++ b/Makefile
-@@ -9,7 +9,7 @@ TESTS = $(wildcard test/sql/*.sql)
+@@ -10,7 +10,7 @@
  REGRESS = $(patsubst test/sql/%.sql,%,$(TESTS))
- REGRESS_OPTS = --inputdir=test --load-extension=vector
+ REGRESS_OPTS = --inputdir=test --load-extension=$(EXTENSION)
  
 -OPTFLAGS = -march=native
 +#OPTFLAGS = -march=native