[loc] improve fatal error handling on application launch

* Remove last ditch effort on systems that are clearly broken for localization
  and always report an explicit error to the user.
* Also update GitHub Actions actions/checkout (Closes #2036).

.github/workflows/coverity.yml

@@ -27,7 +27,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         fetch-depth: 0
         submodules: recursive

.github/workflows/mingw.yml

@@ -53,7 +53,7 @@ jobs:
           upx
 
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         fetch-depth: 0
         submodules: recursive

.github/workflows/vs2022.yml

@@ -39,7 +39,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         fetch-depth: 0
         submodules: recursive