Bump librt from 0.6.3 to 0.7.3

Bumps [librt](https://github.com/mypyc/librt) from 0.6.3 to 0.7.3.
- [Commits](mypyc/librt@v0.6.3...v0.7.3)

---
updated-dependencies:
- dependency-name: librt
  dependency-version: 0.7.3
  dependency-type: indirect
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements/constraints.txt

@@ -102,7 +102,7 @@ jinja2==3.1.6
     # via
     #   sphinx
     #   towncrier
-librt==0.6.3
+librt==0.7.3
     # via mypy
 markdown-it-py==4.0.0
     # via rich

requirements/dev.txt

@@ -100,7 +100,7 @@ jinja2==3.1.6
     # via
     #   sphinx
     #   towncrier
-librt==0.6.3
+librt==0.7.3
     # via mypy
 markdown-it-py==4.0.0
     # via rich

requirements/lint.txt

@@ -43,7 +43,7 @@ iniconfig==2.3.0
     # via pytest
 isal==1.7.2
     # via -r requirements/lint.in
-librt==0.6.3
+librt==0.7.3
     # via mypy
 markdown-it-py==4.0.0
     # via rich

requirements/test-common.txt

@@ -34,7 +34,7 @@ iniconfig==2.3.0
     # via pytest
 isal==1.8.0 ; python_version < "3.14"
     # via -r requirements/test-common.in
-librt==0.6.3
+librt==0.7.3
     # via mypy
 markdown-it-py==4.0.0
     # via rich

requirements/test-ft.txt

@@ -55,7 +55,7 @@ iniconfig==2.3.0
     # via pytest
 isal==1.8.0 ; python_version < "3.14"
     # via -r requirements/test-common.in
-librt==0.6.3
+librt==0.7.3
     # via mypy
 markdown-it-py==4.0.0
     # via rich

requirements/test.txt

@@ -55,7 +55,7 @@ iniconfig==2.3.0
     # via pytest
 isal==1.7.2 ; python_version < "3.14"
     # via -r requirements/test-common.in
-librt==0.6.3
+librt==0.7.3
     # via mypy
 markdown-it-py==4.0.0
     # via rich