chore: Update fetch-depth comment (#120)

Author: keelerm84

.github/workflows/ci.yml

@@ -15,8 +15,6 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0 # If you only need the current version keep this.
 
       - name: Get Rust version
         id: rust-version

.github/workflows/release-please.yml

@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v4
         if: ${{ steps.release.outputs['eventsource-client--release_created'] == 'true' }}
         with:
-          fetch-depth: 0 # If you only need the current version keep this.
+          fetch-depth: 0 # Full history is required for proper changelog generation
 
       - name: Get Rust version
         if: ${{ steps.release.outputs['eventsource-client--release_created'] == 'true' }}