chore(ci): update actions to their current major versions (#7691)

Co-authored-by: Peter Feerick <5500713+pfeerick@users.noreply.github.com>
Co-authored-by: Claude Opus 5 <noreply@anthropic.com>

.github/actions/build_companion/action.yml

@@ -66,7 +66,7 @@ runs:
 
     - name: Install NSIS
       if: runner.os == 'Windows'
-      uses: repolevedavaj/install-nsis@v1.2.1
+      uses: repolevedavaj/install-nsis@v1
       with:
         nsis-version: '3.11'
 

.github/actions/python_dependencies/action.yml

@@ -8,7 +8,7 @@ runs:
   using: "composite"
   steps:
 
-    - uses: actions/setup-python@v6
+    - uses: actions/setup-python@v7
       with:
         python-version: ${{ inputs.python-version }}
         cache: 'pip' # caching pip dependencies