postgresql18-pgvector-0.8.1-160000.1.1

- enable pg 18

- update to 0.8.1:
  * Added support for Postgres 18 rc1
  * Improved performance of `binary_quantize` function

- Add reproducible.patch to avoid compile-time CPU-detection (boo#1100677)

- set OPTFLAGS on the cmdline on the make cmdline to overwrite the
  - march=native flag i the make file. %{optflags} is passed via the
  pgxs handling and taken from postgresql (boo#1236351)

- split out a devel package with the header files to build
  extensions on top of pgvector (gh:pgvector/pgvector#759)

- Update to 0.8.0
  - Added support for iterative index scans
  - Added casts for arrays to sparsevec
  - Improved cost estimation for better index selection when
    filtering
  - Improved performance of HNSW index scans
  - Improved performance of HNSW inserts and on-disk index builds
  - Dropped support for Postgres 12

- enable pg17

- Update to 0.7.4
  * Fixed locking for parallel HNSW index builds
  * Fixed compilation error with GCC 14 on i386 when SSE2 is not enabled
- Update to 0.7.3
  * Fixed failed to add index item error with sparsevec
  * Fixed compilation error with FreeBSD ARM
  * Fixed compilation warning with MSVC and Postgres 16
- Update to 0.7.2
  * Fixed initialization fork for indexes on unlogged tables
- Update to 0.7.1
  * Improved performance of on-disk HNSW index builds
  * Fixed undefined symbol error with GCC 8
  * Fixed compilation warning with Clang < 14
- Fixed download URL

- Update to 0.7.0
  no changelog provided

- enable pg 16