Bump the ruby-deps group across 8 directories with 1 update (#4129)

Bumps the ruby-deps group with 1 update in the /gemfiles/2.7 directory: [test-unit](https://github.com/test-unit/test-unit).
Bumps the ruby-deps group with 1 update in the /gemfiles/3.0 directory: [test-unit](https://github.com/test-unit/test-unit).
Bumps the ruby-deps group with 1 update in the /gemfiles/3.1 directory: [test-unit](https://github.com/test-unit/test-unit).
Bumps the ruby-deps group with 1 update in the /gemfiles/3.2 directory: [test-unit](https://github.com/test-unit/test-unit).
Bumps the ruby-deps group with 1 update in the /gemfiles/3.3 directory: [test-unit](https://github.com/test-unit/test-unit).
Bumps the ruby-deps group with 1 update in the /gemfiles/3.4 directory: [test-unit](https://github.com/test-unit/test-unit).
Bumps the ruby-deps group with 1 update in the /gemfiles/4.0 directory: [test-unit](https://github.com/test-unit/test-unit).
Bumps the ruby-deps group with 1 update in the /gemfiles/4.1 directory: [test-unit](https://github.com/test-unit/test-unit).


Updates `test-unit` from 3.7.7 to 3.7.8
- [Release notes](https://github.com/test-unit/test-unit/releases)
- [Commits](test-unit/test-unit@3.7.7...3.7.8)

Updates `test-unit` from 3.7.7 to 3.7.8
- [Release notes](https://github.com/test-unit/test-unit/releases)
- [Commits](test-unit/test-unit@3.7.7...3.7.8)

Updates `test-unit` from 3.7.7 to 3.7.8
- [Release notes](https://github.com/test-unit/test-unit/releases)
- [Commits](test-unit/test-unit@3.7.7...3.7.8)

Updates `test-unit` from 3.7.7 to 3.7.8
- [Release notes](https://github.com/test-unit/test-unit/releases)
- [Commits](test-unit/test-unit@3.7.7...3.7.8)

Updates `test-unit` from 3.7.7 to 3.7.8
- [Release notes](https://github.com/test-unit/test-unit/releases)
- [Commits](test-unit/test-unit@3.7.7...3.7.8)

Updates `test-unit` from 3.7.7 to 3.7.8
- [Release notes](https://github.com/test-unit/test-unit/releases)
- [Commits](test-unit/test-unit@3.7.7...3.7.8)

Updates `test-unit` from 3.7.7 to 3.7.8
- [Release notes](https://github.com/test-unit/test-unit/releases)
- [Commits](test-unit/test-unit@3.7.7...3.7.8)

Updates `test-unit` from 3.7.7 to 3.7.8
- [Release notes](https://github.com/test-unit/test-unit/releases)
- [Commits](test-unit/test-unit@3.7.7...3.7.8)

---
updated-dependencies:
- dependency-name: test-unit
  dependency-version: 3.7.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ruby-deps
- dependency-name: test-unit
  dependency-version: 3.7.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ruby-deps
- dependency-name: test-unit
  dependency-version: 3.7.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ruby-deps
- dependency-name: test-unit
  dependency-version: 3.7.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ruby-deps
- dependency-name: test-unit
  dependency-version: 3.7.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ruby-deps
- dependency-name: test-unit
  dependency-version: 3.7.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ruby-deps
- dependency-name: test-unit
  dependency-version: 3.7.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ruby-deps
- dependency-name: test-unit
  dependency-version: 3.7.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ruby-deps
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

gemfiles/2.7/Gemfile.lock

@@ -20,7 +20,7 @@ GEM
       racc (~> 1.5)
       sexp_processor (~> 4.16)
     sexp_processor (4.17.4)
-    test-unit (3.7.7)
+    test-unit (3.7.8)
       power_assert
 
 PLATFORMS

gemfiles/3.0/Gemfile.lock

@@ -20,7 +20,7 @@ GEM
       racc (~> 1.5)
       sexp_processor (~> 4.16)
     sexp_processor (4.17.4)
-    test-unit (3.7.7)
+    test-unit (3.7.8)
       power_assert
 
 PLATFORMS

gemfiles/3.1/Gemfile.lock

@@ -20,7 +20,7 @@ GEM
       racc (~> 1.5)
       sexp_processor (~> 4.16)
     sexp_processor (4.17.4)
-    test-unit (3.7.7)
+    test-unit (3.7.8)
       power_assert
 
 PLATFORMS

gemfiles/3.2/Gemfile.lock

@@ -20,7 +20,7 @@ GEM
       racc (~> 1.5)
       sexp_processor (~> 4.16)
     sexp_processor (4.17.5)
-    test-unit (3.7.7)
+    test-unit (3.7.8)
       power_assert
 
 PLATFORMS

gemfiles/3.3/Gemfile.lock

@@ -20,7 +20,7 @@ GEM
       racc (~> 1.5)
       sexp_processor (~> 4.16)
     sexp_processor (4.17.5)
-    test-unit (3.7.7)
+    test-unit (3.7.8)
       power_assert
 
 PLATFORMS

gemfiles/3.4/Gemfile.lock

@@ -20,7 +20,7 @@ GEM
       racc (~> 1.5)
       sexp_processor (~> 4.16)
     sexp_processor (4.17.5)
-    test-unit (3.7.7)
+    test-unit (3.7.8)
       power_assert
 
 PLATFORMS

gemfiles/4.0/Gemfile.lock

@@ -20,7 +20,7 @@ GEM
       racc (~> 1.5)
       sexp_processor (~> 4.16)
     sexp_processor (4.17.5)
-    test-unit (3.7.7)
+    test-unit (3.7.8)
       power_assert
 
 PLATFORMS

gemfiles/4.1/Gemfile.lock

@@ -21,7 +21,7 @@ GEM
       racc (~> 1.5)
       sexp_processor (~> 4.16)
     sexp_processor (4.17.5)
-    test-unit (3.7.7)
+    test-unit (3.7.8)
       power_assert
 
 PLATFORMS