actions: bump codecov/codecov-action from 3 to 5

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3 to 5.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v3...v5)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/build.yml

@@ -285,7 +285,7 @@ jobs:
           poetry run pytest --cov --cov-report=xml
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v5
         with:
           name: codecov
           flags: railjson_generator
@@ -518,7 +518,7 @@ jobs:
           exit $(docker wait core-test)
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v5
         with:
           name: codecov
           flags: core
@@ -602,7 +602,7 @@ jobs:
           exit $(docker wait editoast-test)
 
       - name: Upload coverage
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v5
         with:
           name: codecov
           flags: editoast
@@ -737,7 +737,7 @@ jobs:
           exit $(docker wait gateway-test)
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v5
         with:
           name: codecov
           flags: gateway
@@ -800,7 +800,7 @@ jobs:
           exit $(docker wait osrdyne-test)
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v5
         with:
           name: codecov
           flags: osrdyne
@@ -878,7 +878,7 @@ jobs:
           exit $(docker wait front-test)
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v5
         with:
           name: codecov
           flags: front
@@ -978,7 +978,7 @@ jobs:
           poetry -C tests run pytest --cov --cov-report=xml
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v5
         with:
           name: codecov
           flags: tests