[CI] Fix unit test yaml file (#2915)

I messed up the indention of the `unit_tests.yml` file in a previous PR.
This fixes it.

Author: FranzBusch

.github/workflows/unit_tests.yml

@@ -3,46 +3,46 @@ name: Unit tests
 on:
   workflow_call:
     inputs:
-    linux_5_8_enabled:
-      type: boolean
-      description: "Boolean to enable the Linux 5.8 Swift version matrix job. Defaults to true."
-      default: true
-    linux_5_8_arguments_override:
-      type: string
-      description: "The arguments passed to swift test in the Linux 5.8 Swift version matrix job."
-      default: ""
-    linux_5_9_enabled:
-      type: boolean
-      description: "Boolean to enable the Linux 5.9 Swift version matrix job. Defaults to true."
-      default: true
-    linux_5_9_arguments_override:
-      type: string
-      description: "The arguments passed to swift test in the Linux 5.9 Swift version matrix job."
-      default: ""
-    linux_5_10_enabled:
-      type: boolean
-      description: "Boolean to enable the Linux 5.10 Swift version matrix job. Defaults to true."
-      default: true
-    linux_5_10_arguments_override:
-      type: string
-      description: "The arguments passed to swift test in the Linux 5.10 Swift version matrix job."
-      default: ""
-    linux_nightly_6_0_enabled:
-      type: boolean
-      description: "Boolean to enable the Linux nightly 6.0 Swift version matrix job. Defaults to true."
-      default: true
-    linux_nightly_6_0_arguments_override:
-      type: string
-      description: "The arguments passed to swift test in the Linux nightly 6.0 Swift version matrix job."
-      default: ""
-    linux_nightly_main_enabled:
-      type: boolean
-      description: "Boolean to enable the Linux nightly main Swift version matrix job. Defaults to true."
-      default: true
-    linux_nightly_main_arguments_override:
-      type: string
-      description: "The arguments passed to swift test in the Linux nightly main Swift version matrix job."
-      default: ""
+      linux_5_8_enabled:
+        type: boolean
+        description: "Boolean to enable the Linux 5.8 Swift version matrix job. Defaults to true."
+        default: true
+      linux_5_8_arguments_override:
+        type: string
+        description: "The arguments passed to swift test in the Linux 5.8 Swift version matrix job."
+        default: ""
+      linux_5_9_enabled:
+        type: boolean
+        description: "Boolean to enable the Linux 5.9 Swift version matrix job. Defaults to true."
+        default: true
+      linux_5_9_arguments_override:
+        type: string
+        description: "The arguments passed to swift test in the Linux 5.9 Swift version matrix job."
+        default: ""
+      linux_5_10_enabled:
+        type: boolean
+        description: "Boolean to enable the Linux 5.10 Swift version matrix job. Defaults to true."
+        default: true
+      linux_5_10_arguments_override:
+        type: string
+        description: "The arguments passed to swift test in the Linux 5.10 Swift version matrix job."
+        default: ""
+      linux_nightly_6_0_enabled:
+        type: boolean
+        description: "Boolean to enable the Linux nightly 6.0 Swift version matrix job. Defaults to true."
+        default: true
+      linux_nightly_6_0_arguments_override:
+        type: string
+        description: "The arguments passed to swift test in the Linux nightly 6.0 Swift version matrix job."
+        default: ""
+      linux_nightly_main_enabled:
+        type: boolean
+        description: "Boolean to enable the Linux nightly main Swift version matrix job. Defaults to true."
+        default: true
+      linux_nightly_main_arguments_override:
+        type: string
+        description: "The arguments passed to swift test in the Linux nightly main Swift version matrix job."
+        default: ""
 
 jobs:
   unit-tests: