gh-35399: libatomic_ops: Update to 7.8.0
    
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### 📚 Description

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This is an update to the latest stable release of libatomic_ops.
I'm the upstream maintainer of the package.

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URL: #35399
Reported by: Ivan Maidanski
Reviewer(s):

Author: Release Manager

build/pkgs/libatomic_ops/SPKG.rst

@@ -4,19 +4,21 @@ libatomic_ops: Access hardware-provided atomic memory update operations
 Description
 -----------
 
-A part of the Boehm-Demers-Weiser conservative garbage collector.
+This package provides semi-portable access to hardware-provided
+atomic memory update operations on a number of architectures.
+
 
 License
 -------
 
--  Permissive BSD + GPL 2.0+
+- MIT + GPL 2.0+
 
 
 Upstream Contact
 ----------------
 
-- Webpage: http://www.hboehm.info/gc/
-- Email List: [email protected]
+https://github.com/ivmai/libatomic_ops/
+
 
 Special Update/Build Instructions
 ---------------------------------

build/pkgs/libatomic_ops/checksums.ini

@@ -1,5 +1,5 @@
 tarball=libatomic_ops-VERSION.tar.gz
-sha1=ad1c9cd6cc22e042a784e34baa360874083e5f60
-md5=90a78a84d9c28ce11f331c25289bfbd0
-cksum=1553525211
+sha1=69223bbec025a0d57977feb861479f78a5e6c8d7
+md5=a7e51e8041c3e60c298c037b2789c3fa
+cksum=596151076
 upstream_url=https://github.com/ivmai/libatomic_ops/releases/download/vVERSION/libatomic_ops-VERSION.tar.gz

build/pkgs/libatomic_ops/package-version.txt

@@ -1 +1 @@
-7.6.10
+7.8.0