Add Claude Opus 4.8 and Sonnet 5 to data residency model lists (#62227)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: sunbrye

content/admin/data-residency/github-copilot-with-data-residency.md

@@ -68,6 +68,7 @@ The models available for {% data variables.product.prodname_copilot_short %} var
 * {% data variables.copilot.copilot_claude_opus_48 %}
 * {% data variables.copilot.copilot_claude_sonnet_45 %}
 * {% data variables.copilot.copilot_claude_sonnet_46 %}
+* {% data variables.copilot.copilot_claude_sonnet_5 %}
 * {% data variables.copilot.copilot_gemini_31_pro %}
 * {% data variables.copilot.copilot_gemini_35_flash %}
 * {% data variables.copilot.copilot_mai_code_1_flash %}

data/reusables/copilot/model-compliance/us-models.md

@@ -9,5 +9,7 @@
 * Claude Sonnet 4.5
 * Claude Opus 4.5
 * Claude Sonnet 4.6
+* Claude Sonnet 5
 * Claude Opus 4.6
+* Claude Opus 4.8
 * MAI-Code-1-Flash