[nng] Update to 1.7.3 (#37248)

<!-- If your PR fixes issues, please note that here by adding "Fixes
#NNNNNN." for each fixed issue on separate lines. -->
Fixes #37241.
All features passed with following triplets:
```
x86-windows
x64-windows
x64-windows-static
```
Usage test passed on `x64-windows`.
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https://github.blog/2019-02-14-introducing-draft-pull-requests/. -->



- [x] Changes comply with the [maintainer
guide](https://github.com/microsoft/vcpkg-docs/blob/main/vcpkg/contributing/maintainer-guide.md).
- [x] SHA512s are updated for each updated download.
- [ ] ~~The "supports" clause reflects platforms that may be fixed by
this new version.~~
- [ ] ~~Any fixed [CI
baseline](https://github.com/microsoft/vcpkg/blob/master/scripts/ci.baseline.txt)
entries are removed from that file.~~
- [ ] ~~Any patches that are no longer applied are deleted from the
port's directory.~~
- [x] The version database is fixed by rerunning `./vcpkg x-add-version
--all` and committing the result.
- [x] Only one version is added to each modified port's versions file.



<!-- If this PR adds a new port, please uncomment and fill out this
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- [ ] Changes comply with the [maintainer
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- [ ] The name of the port matches an existing name for this component
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- [ ] Only one version is in the new port's versions file.
- [ ] Only one version is added to each modified port's versions file.

END OF NEW PORT CHECKLIST (delete this line) -->

---------

Co-authored-by: Lily Wang <v-lilywang@microsoft.com>

ports/nng/portfile.cmake

@@ -2,7 +2,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO nanomsg/nng
     REF "v${VERSION}"
-    SHA512 b4f2c812e65f0a5cb57827d80e632912679902b50f06eb10805d5fe86ab30fc97c4441b0b4d1d8c15dbf09ac7628f4c863d699121fa14bbad0a7782c40a1e4bf
+    SHA512 9e97d961da7b24070deb78d0ed0c7bd5b7889d7e4d0934aedcfb512313cc7e8586316391ddc2fe20a0be9695fb1b7fb09760b9246dd1ab1e61a927e807fb10ef
     HEAD_REF master
 )
 

ports/nng/vcpkg.json

@@ -1,6 +1,6 @@
 {
   "name": "nng",
-  "version-semver": "1.6.0",
+  "version-semver": "1.7.3",
   "description": "nanomsg-next-gen, lightweight messaging library",
   "homepage": "https://nng.nanomsg.org",
   "license": "MIT",

versions/baseline.json

@@ -6109,7 +6109,7 @@
       "port-version": 1
     },
     "nng": {
-      "baseline": "1.6.0",
+      "baseline": "1.7.3",
       "port-version": 0
     },
     "nngpp": {

versions/n-/nng.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "e16d5e3147918e3e74bb93299e3c8d5fe9304722",
+      "version-semver": "1.7.3",
+      "port-version": 0
+    },
     {
       "git-tree": "4ac0d0be55aed606e5db8e253d9bf5cc8586e7c2",
       "version-semver": "1.6.0",