gh-40573: bump libhomfly to 1.03
    
apart from adding pkg-config support, no difference with the previous
release


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- [x] The description explains in detail what this PR is about.
- [ ] I have linked a relevant issue or discussion.
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- [ ] I have updated the documentation and checked the documentation
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### ⌛ Dependencies

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URL: #40573
Reported by: Dima Pasechnik
Reviewer(s):

Author: Release Manager

build/pkgs/libhomfly/checksums.ini

@@ -1,4 +1,4 @@
 tarball=libhomfly-VERSION.tar.gz
-sha1=a8a4d9fb5bfacdbacab32bb0c8ea6d21ad9f7e54
-sha256=f990d991d29a590c54b09eff68bc209c4cf2b8b12d945351688d2db8a0d30979
+sha1=c589fdf1aff0f3c470cc4ecd8c612c1ead8c71a0
+sha256=2a06e93cccd91d33ed9c345eba2e59b2ba175c11e454cf2029644a9364250871
 upstream_url=https://github.com/miguelmarco/libhomfly/releases/download/VERSION/libhomfly-VERSION.tar.gz

build/pkgs/libhomfly/package-version.txt

@@ -1 +1 @@
-1.02r6
+1.03